diff --git a/dom/webidl/CanvasRenderingContext2D.webidl b/dom/webidl/CanvasRenderingContext2D.webidl
index c89c09892890..787bbde3707b 100644
--- a/dom/webidl/CanvasRenderingContext2D.webidl
+++ b/dom/webidl/CanvasRenderingContext2D.webidl
@@ -192,7 +192,7 @@ interface mixin CanvasFillStrokeStyles {
   CanvasGradient createLinearGradient(double x0, double y0, double x1, double y1);
   [NewObject, Throws]
   CanvasGradient createRadialGradient(double x0, double y0, double r0, double x1, double y1, double r1);
-  [NewObject]
+  [Pref="canvas.createConicGradient.enabled", NewObject]
   CanvasGradient createConicGradient(double angle, double cx, double cy);
   [NewObject, Throws]
   CanvasPattern? createPattern(CanvasImageSource image, [LegacyNullToEmptyString] DOMString repetition);
diff --git a/modules/libpref/init/StaticPrefList.yaml b/modules/libpref/init/StaticPrefList.yaml
index d0822be761af..fc77f6fadc5a 100644
--- a/modules/libpref/init/StaticPrefList.yaml
+++ b/modules/libpref/init/StaticPrefList.yaml
@@ -1814,6 +1814,16 @@
   value: @IS_NOT_ANDROID@
   mirror: always
 
+#---------------------------------------------------------------------------
+# Prefs starting with "canvas."
+#---------------------------------------------------------------------------
+
+# Is support for CanvasRenderingContext2D's createConicGradient API enabled?
+- name: canvas.createConicGradient.enabled
+  type: RelaxedAtomicBool
+  value: true
+  mirror: always
+
 #---------------------------------------------------------------------------
 # Prefs starting with "channelclassifier."
 #---------------------------------------------------------------------------
diff --git a/modules/libpref/moz.build b/modules/libpref/moz.build
index cde0fbe4ae6e..e8f8b97170d3 100644
--- a/modules/libpref/moz.build
+++ b/modules/libpref/moz.build
@@ -33,6 +33,7 @@ pref_groups = [
     "beacon",
     "bidi",
     "browser",
+    "canvas",
     "channelclassifier",
     "clipboard",
     "content",