diff --git a/build/jam/OptionalBuildFeatures b/build/jam/OptionalBuildFeatures
index ecf27e82ab..398a59ea40 100644
--- a/build/jam/OptionalBuildFeatures
+++ b/build/jam/OptionalBuildFeatures
@@ -435,7 +435,7 @@ if [ IsOptionalHaikuImagePackageAdded WebPositive ] {
 	HAIKU_BUILD_FEATURE_WEBKIT = 1 ;
 }
 
-HAIKU_WEBKIT_FILE = haikuwebkit-1.1.3-x86-gcc4-2012-07-20.zip ;
+HAIKU_WEBKIT_FILE = haikuwebkit-1.1.3-x86-gcc4-2012-07-20-1.zip ;
 
 if $(HAIKU_BUILD_FEATURE_WEBKIT) {
 	if $(TARGET_ARCH) != x86 {