diff --git a/mozilla/layout/base/nsPresShell.cpp b/mozilla/layout/base/nsPresShell.cpp
index 26689616211..dc9169cb67d 100644
--- a/mozilla/layout/base/nsPresShell.cpp
+++ b/mozilla/layout/base/nsPresShell.cpp
@@ -1170,6 +1170,7 @@ FindFrameWithContent(nsIFrame* aFrame, nsIContent* aContent)
     NS_IF_RELEASE(pseudoTag);
 
     if (!isPlaceholder) {
+      NS_IF_RELEASE(frameContent);
       return aFrame;
     }
   }
diff --git a/mozilla/layout/html/base/src/nsPresShell.cpp b/mozilla/layout/html/base/src/nsPresShell.cpp
index 26689616211..dc9169cb67d 100644
--- a/mozilla/layout/html/base/src/nsPresShell.cpp
+++ b/mozilla/layout/html/base/src/nsPresShell.cpp
@@ -1170,6 +1170,7 @@ FindFrameWithContent(nsIFrame* aFrame, nsIContent* aContent)
     NS_IF_RELEASE(pseudoTag);
 
     if (!isPlaceholder) {
+      NS_IF_RELEASE(frameContent);
       return aFrame;
     }
   }