diff --git a/assets/patches.txt b/assets/patches.txt
index afc2a6b..41bad67 100644
--- a/assets/patches.txt
+++ b/assets/patches.txt
@@ -12,6 +12,7 @@ patches/librewolf-prefs.patch
 patches/mozilla_dirs.patch
 patches/msix.patch
 patches/remove_addons.patch
+patches/rfp-spoof-dpr-to-2.patch
 patches/sed-patches/allow-searchengines-non-esr.patch
 patches/sed-patches/disable-pocket.patch
 patches/sed-patches/stop-undesired-requests.patch
diff --git a/patches/rfp-spoof-dpr-to-2.patch b/patches/rfp-spoof-dpr-to-2.patch
new file mode 100644
index 0000000..b0404e0
--- /dev/null
+++ b/patches/rfp-spoof-dpr-to-2.patch
@@ -0,0 +1,13 @@
+diff --git a/dom/base/nsGlobalWindowInner.cpp b/dom/base/nsGlobalWindowInner.cpp
+index 3a97351..c15f9a4 100644
+--- a/dom/base/nsGlobalWindowInner.cpp
++++ b/dom/base/nsGlobalWindowInner.cpp
+@@ -3616,7 +3616,7 @@ double nsGlobalWindowInner::GetDevicePixelRatio(CallerType aCallerType,
+     nsAutoCString origin;
+     nsresult rv = this->GetPrincipal()->GetOrigin(origin);
+     if (NS_FAILED(rv) || origin != "resource://pdf.js"_ns) {
+-      return 1.0;
++      return 2.0;
+     }
+   }
+