diff --git a/dom/svg/nsSVGPathGeometryElement.cpp b/dom/svg/nsSVGPathGeometryElement.cpp
index 37c8c648874..33a5f8fa80a 100644
--- a/dom/svg/nsSVGPathGeometryElement.cpp
+++ b/dom/svg/nsSVGPathGeometryElement.cpp
@@ -87,7 +87,9 @@ nsSVGPathGeometryElement::GetOrBuildPath(const DrawTarget& aDrawTarget,
   // chrome). The benefit is that we avoid causing a CPU memory cache miss by
   // looking at the global variable that the pref's stored in.
   if (cacheable && mCachedPath) {
-    return mCachedPath;
+    if (aDrawTarget.GetBackendType() == mCachedPath->GetBackendType()) {
+      return mCachedPath;
+    }
   }
   RefPtr<PathBuilder> builder = aDrawTarget.CreatePathBuilder(aFillRule);
   RefPtr<Path> path = BuildPath(builder);