diff --git a/fs/common.mk b/fs/common.mk
index 6d579db810..274a3e9c7b 100644
--- a/fs/common.mk
+++ b/fs/common.mk
@@ -76,9 +76,10 @@ $$(BINARIES_DIR)/rootfs.$(1): target-finalize $$(ROOTFS_$(2)_DEPENDENCIES)
 	@$$(call MESSAGE,"Generating root filesystem image rootfs.$(1)")
 	rm -rf $(FS_DIR)
 	mkdir -p $(FS_DIR)
-	$$(foreach hook,$$(ROOTFS_$(2)_PRE_GEN_HOOKS),$$(call $$(hook))$$(sep))
 	echo '#!/bin/sh' > $$(FAKEROOT_SCRIPT)
 	echo "set -e" >> $$(FAKEROOT_SCRIPT)
+	$$(foreach hook,$$(ROOTFS_$(2)_PRE_GEN_HOOKS),\
+		$$(call PRINTF,$$($$(hook))) >> $$(FAKEROOT_SCRIPT)$$(sep))
 	echo "chown -h -R 0:0 $$(TARGET_DIR)" >> $$(FAKEROOT_SCRIPT)
 ifneq ($$(ROOTFS_USERS_TABLES),)
 	cat $$(ROOTFS_USERS_TABLES) >> $$(USERS_TABLE)