diff --git a/Makefile b/Makefile
index b68ed11c91..fec5d6ea21 100644
--- a/Makefile
+++ b/Makefile
@@ -364,7 +364,7 @@ binary-catalog-server:
 
 COPY_ARGS = SERVER=$(SERVER) PKGS="$(PKGS)" BUILD_STAMP="$(BUILD_STAMP)" \
 	    RELEASE_MODE=$(RELEASE_MODE) SOURCE_MODE=$(SOURCE_MODE) \
-            PKG_SOURCE_MODE=$(PKG_SOURCE_MODE) INSTALL_NAME="$(INSTALL_NAME)"\
+            PKG_SOURCE_MODE="$(PKG_SOURCE_MODE)" INSTALL_NAME="$(INSTALL_NAME)"\
             DIST_NAME="$(DIST_NAME)" DIST_BASE=$(DIST_BASE) \
             DIST_DIR=$(DIST_DIR) DIST_SUFFIX=$(DIST_SUFFIX) \
             DIST_DESC="$(DIST_DESC)" README="$(README)" \