diff --git a/ghost/custom-fonts/src/index.ts b/ghost/custom-fonts/src/index.ts
index c7d172c12f..530d3c19a3 100644
--- a/ghost/custom-fonts/src/index.ts
+++ b/ghost/custom-fonts/src/index.ts
@@ -14,46 +14,60 @@ export function generateCustomFontCss(fonts: FontSelection) {
 
     const importStrings = {
         'Space Grotesk': {
-            url: '@import url(https://fonts.bunny.net/css?family=space-grotesk:700)'
+            url: '@import url(https://fonts.bunny.net/css?family=space-grotesk:700)',
+            adjust: 'none'
         },
         'Playfair Display': {
-            url: '@import url(https://fonts.bunny.net/css?family=playfair-display:400)'
+            url: '@import url(https://fonts.bunny.net/css?family=playfair-display:400)',
+            adjust: 'none'
         },
         'Chakra Petch': {
-            url: '@import url(https://fonts.bunny.net/css?family=chakra-petch:400)'
+            url: '@import url(https://fonts.bunny.net/css?family=chakra-petch:400)',
+            adjust: 'none'
         },
         'Noto Sans': {
-            url: '@import url(https://fonts.bunny.net/css?family=noto-sans:400,700)'
+            url: '@import url(https://fonts.bunny.net/css?family=noto-sans:400,700)',
+            adjust: 'none'
         },
         Poppins: {
-            url: '@import url(https://fonts.bunny.net/css?family=poppins:400,500,600)'
+            url: '@import url(https://fonts.bunny.net/css?family=poppins:400,500,600)',
+            adjust: 'none'
         },
         'Fira Sans': {
-            url: '@import url(https://fonts.bunny.net/css?family=fira-sans:400,500,600)'
+            url: '@import url(https://fonts.bunny.net/css?family=fira-sans:400,500,600)',
+            adjust: 'none'
         },
         Inter: {
-            url: '@import url(https://fonts.bunny.net/css?family=inter:400,500,600)'
+            url: '@import url(https://fonts.bunny.net/css?family=inter:400,500,600)',
+            adjust: 'none'
         },
         'Noto Serif': {
-            url: '@import url(https://fonts.bunny.net/css?family=noto-serif:400,700)'
+            url: '@import url(https://fonts.bunny.net/css?family=noto-serif:400,700)',
+            adjust: 'none'
         },
         Lora: {
-            url: '@import url(https://fonts.bunny.net/css?family=lora:400,700)'
+            url: '@import url(https://fonts.bunny.net/css?family=lora:400,700)',
+            adjust: 'none'
         },
         'IBM Plex Serif': {
-            url: '@import url(https://fonts.bunny.net/css?family=ibm-plex-serif:400,500,600)'
+            url: '@import url(https://fonts.bunny.net/css?family=ibm-plex-serif:400,500,600)',
+            adjust: 'none'
         },
         'EB Garamond': {
-            url: '@import url(https://fonts.bunny.net/css?family=eb-garamond:400,700)'
+            url: '@import url(https://fonts.bunny.net/css?family=eb-garamond:400,700)',
+            adjust: 0.45
         },
         'Space Mono': {
-            url: '@import url(https://fonts.bunny.net/css?family=space-mono:400,700)'
+            url: '@import url(https://fonts.bunny.net/css?family=space-mono:400,700)',
+            adjust: 'none'
         },
         'Fira Mono': {
-            url: '@import url(https://fonts.bunny.net/css?family=fira-mono:400,700)'
+            url: '@import url(https://fonts.bunny.net/css?family=fira-mono:400,700)',
+            adjust: 'none'
         },
         'JetBrains Mono': {
-            url: '@import url(https://fonts.bunny.net/css?family=jetbrains-mono:400,700)'
+            url: '@import url(https://fonts.bunny.net/css?family=jetbrains-mono:400,700)',
+            adjust: 'none'
         }
     };
 
@@ -72,11 +86,11 @@ export function generateCustomFontCss(fonts: FontSelection) {
     }
 
     if (fonts?.body) {
-        bodyFontCSS = `.gh-body-font {font-family: ${fonts.body};}`;
+        bodyFontCSS = `.gh-body-font {font-family: ${fonts.body}; font-size-adjust: ${importStrings[fonts.body].adjust};}`;
     }
 
     if (fonts?.heading) {
-        headingFontCSS = `.gh-heading-font, .gh-content :is(h1,h2,h3,h4,h5,h6)[id] {font-family: ${fonts.heading};}`;
+        headingFontCSS = `.gh-heading-font, .gh-content :is(h1,h2,h3,h4,h5,h6)[id] {font-family: ${fonts.heading}; font-size-adjust: ${importStrings[fonts.heading].adjust};}`;
     }
 
     return `<style>${fontImports}${bodyFontCSS}${headingFontCSS}</style>`;
diff --git a/ghost/custom-fonts/test/index.test.ts b/ghost/custom-fonts/test/index.test.ts
index 7eba54e138..a05f356fe5 100644
--- a/ghost/custom-fonts/test/index.test.ts
+++ b/ghost/custom-fonts/test/index.test.ts
@@ -37,7 +37,7 @@ describe('Custom Fonts', function () {
             const result = customFonts.generateCustomFontCss({body: 'Noto Sans'});
 
             assert.equal(result.includes('@import url(https://fonts.bunny.net/css?family=noto-sans:400,700);'), true, 'Includes the correct import for the body font');
-            assert.equal(result.includes('.gh-body-font {font-family: Noto Sans;}'), true, 'Includes the correct CSS for the body font');
+            assert.equal(result.includes('.gh-body-font {font-family: Noto Sans; font-size-adjust: none;}'), true, 'Includes the correct CSS for the body font');
             assert.equal(result.includes('.gh-heading-font, .gh-content :is(h1,h2,h3,h4,h5,h6)[id]'), false, 'Does not include CSS for the title font');
         });
 
@@ -45,15 +45,15 @@ describe('Custom Fonts', function () {
             const result = customFonts.generateCustomFontCss({heading: 'Playfair Display', body: 'Poppins'});
 
             assert.equal(result.includes('@import url(https://fonts.bunny.net/css?family=playfair-display:400);'), true, 'Includes the correct import for the heading font');
-            assert.equal(result.includes('@import url(https://fonts.bunny.net/css?family=poppins:400,700);'), true, 'Includes the correct import for the body font');
-            assert.equal(result.includes('.gh-heading-font, .gh-content :is(h1,h2,h3,h4,h5,h6)[id] {font-family: Playfair Display;}'), true, 'Includes the correct CSS for the heading font');
-            assert.equal(result.includes('.gh-body-font {font-family: Poppins;}'), true, 'Includes the correct CSS for the body font');
+            assert.equal(result.includes('@import url(https://fonts.bunny.net/css?family=poppins:400,500,600);'), true, 'Includes the correct import for the body font');
+            assert.equal(result.includes('.gh-heading-font, .gh-content :is(h1,h2,h3,h4,h5,h6)[id] {font-family: Playfair Display; font-size-adjust: none;}'), true, 'Includes the correct CSS for the heading font');
+            assert.equal(result.includes('.gh-body-font {font-family: Poppins; font-size-adjust: none;}'), true, 'Includes the correct CSS for the body font');
         });
 
         it('returns correct CSS with only one import for equal heading and body fonts', function () {
             const result = customFonts.generateCustomFontCss({heading: 'Lora', body: 'Lora'});
 
-            assert.equal(result, '<style>@import url(https://fonts.bunny.net/css?family=lora:400,700);.gh-body-font {font-family: Lora;}.gh-heading-font, .gh-content :is(h1,h2,h3,h4,h5,h6)[id] {font-family: Lora;}</style>', 'Includes the correct CSS with only one import for equal heading and body fonts');
+            assert.equal(result, '<style>@import url(https://fonts.bunny.net/css?family=lora:400,700);.gh-body-font {font-family: Lora; font-size-adjust: none;}.gh-heading-font, .gh-content :is(h1,h2,h3,h4,h5,h6)[id] {font-family: Lora; font-size-adjust: none;}</style>', 'Includes the correct CSS with only one import for equal heading and body fonts');
         });
     });
 });