diff --git a/tests/mtouch/Makefile b/tests/mtouch/Makefile
index 1caa1b4ab093..0043a940c067 100644
--- a/tests/mtouch/Makefile
+++ b/tests/mtouch/Makefile
@@ -29,7 +29,7 @@ run-tests: test.config
 	@[[ ! -e .failed-stamp ]] 
 
 build:
-	$(Q) $(SYSTEM_MONO) /Library/Frameworks//Mono.framework/Versions/Current/lib/mono/nuget/NuGet.exe restore mtouch.sln
+	$(Q) $(SYSTEM_MONO) /Library/Frameworks//Mono.framework/Versions/Current/lib/mono/nuget/NuGet.exe restore packages.config
 	$(SYSTEM_XBUILD) mtouch.csproj $(XBUILD_VERBOSITY)
 	$(Q) rm -f .failed-stamp