diff --git a/xbps-src/shutils/build_funcs.sh b/xbps-src/shutils/build_funcs.sh
index c9b93995861..c0c30a7fc38 100644
--- a/xbps-src/shutils/build_funcs.sh
+++ b/xbps-src/shutils/build_funcs.sh
@@ -90,6 +90,7 @@ build_src_phase()
 	fi
 
 	unset makejobs
+	unset_build_vars
 
 	touch -f $XBPS_BUILD_DONE
 }