diff --git a/build/jam/OptionalPackages b/build/jam/OptionalPackages
index 03eb712158..a5a96dffdb 100644
--- a/build/jam/OptionalPackages
+++ b/build/jam/OptionalPackages
@@ -1902,6 +1902,12 @@ if [ IsOptionalHaikuImagePackageAdded WebPositive ] {
 			Echo "No optional package WebPositive available for gcc2" ;
 		} else {
 			Echo "WebPositive will be compiled by gcc4 inside $(HAIKU_ALTERNATIVE_GCC_OUTPUT_DIR)" ;
+			local catalogs = [ on WebPositive return $(HAIKU_CATALOG_FILES) ] ;
+			if $(catalogs) {
+				local signature = x-vnd.Haiku-WebPositive ;
+				AddFilesToHaikuImage system data locale catalogs $(signature)
+					: $(catalogs) ;
+			}
 		}
 	} else if $(HAIKU_GCC_VERSION[1]) >= 4 {
 		AddFilesToHaikuHybridImage apps : WebPositive ;