diff --git a/content/html/style/src/nsCSSParser.cpp b/content/html/style/src/nsCSSParser.cpp
index e295b5378f5d..c91597735e36 100644
--- a/content/html/style/src/nsCSSParser.cpp
+++ b/content/html/style/src/nsCSSParser.cpp
@@ -1913,8 +1913,7 @@ PRBool CSSParserImpl::ParseBackground(PRInt32* aErrorCode, nsICSSDeclaration* aD
   }
   if ((found & 2) == 0) {
     aDeclaration->AppendValue(kBackgroundNames[1], 
-                              nsCSSValue(NS_STYLE_BG_IMAGE_NONE,
-                                         eCSSUnit_Enumerated));
+                              nsCSSValue(eCSSUnit_None));
   }
   if ((found & 4) == 0) {
     aDeclaration->AppendValue(kBackgroundNames[2], 
diff --git a/layout/html/style/src/nsCSSParser.cpp b/layout/html/style/src/nsCSSParser.cpp
index e295b5378f5d..c91597735e36 100644
--- a/layout/html/style/src/nsCSSParser.cpp
+++ b/layout/html/style/src/nsCSSParser.cpp
@@ -1913,8 +1913,7 @@ PRBool CSSParserImpl::ParseBackground(PRInt32* aErrorCode, nsICSSDeclaration* aD
   }
   if ((found & 2) == 0) {
     aDeclaration->AppendValue(kBackgroundNames[1], 
-                              nsCSSValue(NS_STYLE_BG_IMAGE_NONE,
-                                         eCSSUnit_Enumerated));
+                              nsCSSValue(eCSSUnit_None));
   }
   if ((found & 4) == 0) {
     aDeclaration->AppendValue(kBackgroundNames[2], 
diff --git a/layout/style/nsCSSParser.cpp b/layout/style/nsCSSParser.cpp
index e295b5378f5d..c91597735e36 100644
--- a/layout/style/nsCSSParser.cpp
+++ b/layout/style/nsCSSParser.cpp
@@ -1913,8 +1913,7 @@ PRBool CSSParserImpl::ParseBackground(PRInt32* aErrorCode, nsICSSDeclaration* aD
   }
   if ((found & 2) == 0) {
     aDeclaration->AppendValue(kBackgroundNames[1], 
-                              nsCSSValue(NS_STYLE_BG_IMAGE_NONE,
-                                         eCSSUnit_Enumerated));
+                              nsCSSValue(eCSSUnit_None));
   }
   if ((found & 4) == 0) {
     aDeclaration->AppendValue(kBackgroundNames[2],