diff --git a/build/jam/OptionalPackages b/build/jam/OptionalPackages
index 1e940c0c07..11f396e54c 100644
--- a/build/jam/OptionalPackages
+++ b/build/jam/OptionalPackages
@@ -1411,7 +1411,8 @@ if [ IsOptionalHaikuImagePackageAdded Tar ] {
 # TimGMSoundFont
 if [ IsOptionalHaikuImagePackageAdded TimGMSoundFont ] {
 	InstallOptionalHaikuImagePackage TimGMSoundFont-2010-06-16.hpkg
-		: $(hpkgBaseURL)/TimGMSoundFont-2010-06-16.hpkg ;
+		: $(hpkgBaseURL)/TimGMSoundFont-2010-06-16.hpkg
+		: system packages ;
 }