diff --git a/mozilla/layout/generic/nsFrame.cpp b/mozilla/layout/generic/nsFrame.cpp
index ad4306a06e7..467c60cb724 100644
--- a/mozilla/layout/generic/nsFrame.cpp
+++ b/mozilla/layout/generic/nsFrame.cpp
@@ -357,7 +357,7 @@ SelectionImageService::CreateImage(nscolor aImageColor, imgIContainer *aContaine
           *data++ = NS_GET_G(aImageColor);
           *data++ = NS_GET_R(aImageColor);
 #endif
-#ifdef XP_UNIX
+#if defined(XP_UNIX) && !defined(XP_MACOSX)
           *data++ = NS_GET_R(aImageColor);
           *data++ = NS_GET_G(aImageColor);
           *data++ = NS_GET_B(aImageColor);
diff --git a/mozilla/layout/html/base/src/nsFrame.cpp b/mozilla/layout/html/base/src/nsFrame.cpp
index ad4306a06e7..467c60cb724 100644
--- a/mozilla/layout/html/base/src/nsFrame.cpp
+++ b/mozilla/layout/html/base/src/nsFrame.cpp
@@ -357,7 +357,7 @@ SelectionImageService::CreateImage(nscolor aImageColor, imgIContainer *aContaine
           *data++ = NS_GET_G(aImageColor);
           *data++ = NS_GET_R(aImageColor);
 #endif
-#ifdef XP_UNIX
+#if defined(XP_UNIX) && !defined(XP_MACOSX)
           *data++ = NS_GET_R(aImageColor);
           *data++ = NS_GET_G(aImageColor);
           *data++ = NS_GET_B(aImageColor);