diff --git a/build/tests/CustomSystemUpdater/Makefile b/build/tests/CustomSystemUpdater/Makefile
index 3d2e5858..cf077bfb 100644
--- a/build/tests/CustomSystemUpdater/Makefile
+++ b/build/tests/CustomSystemUpdater/Makefile
@@ -51,13 +51,13 @@ clobber:	MY_GOAL=clobber
 install:	MY_GOAL=install
 
 do-something:
-	+$(REMAKE) TWLSDK_PLATFORM=TWL REGION=JPN ROMSET=$(ROMSET) SKIP_SUBDIR=FALSE $(MY_GOAL)
+	-$(REMAKE) TWLSDK_PLATFORM=TWL REGION=JPN ROMSET=$(ROMSET) SKIP_SUBDIR=FALSE $(MY_GOAL)
 	-rm `find . -name "*autogen*"`
-	+$(REMAKE) TWLSDK_PLATFORM=TWL REGION=AUS ROMSET=$(ROMSET) SKIP_SUBDIR=FALSE $(MY_GOAL)
+	-$(REMAKE) TWLSDK_PLATFORM=TWL REGION=AUS ROMSET=$(ROMSET) SKIP_SUBDIR=FALSE $(MY_GOAL)
 	-rm `find . -name "*autogen*"`
-	+$(REMAKE) TWLSDK_PLATFORM=TWL REGION=USA ROMSET=$(ROMSET) SKIP_SUBDIR=FALSE $(MY_GOAL)
+	-$(REMAKE) TWLSDK_PLATFORM=TWL REGION=USA ROMSET=$(ROMSET) SKIP_SUBDIR=FALSE $(MY_GOAL)
 	-rm `find . -name "*autogen*"`
-	+$(REMAKE) TWLSDK_PLATFORM=TWL REGION=EUR ROMSET=$(ROMSET) SKIP_SUBDIR=FALSE $(MY_GOAL)
+	-$(REMAKE) TWLSDK_PLATFORM=TWL REGION=EUR ROMSET=$(ROMSET) SKIP_SUBDIR=FALSE $(MY_GOAL)
 
 include	$(TWLSDK_ROOT)/build/buildtools/modulerules