--- a/Makefile.in
+++ b/Makefile.in
@@ -192,17 +192,17 @@ ifdef MOZ_CRASHREPORTER
 	echo packing symbols
 	mkdir -p $(topsrcdir)/../$(BUILDID)
 	cd $(DIST)/crashreporter-symbols && \
           zip -r9D ../"$(SYMBOL_ARCHIVE_BASENAME).zip" .
 endif # MOZ_CRASHREPORTER
 
 uploadsymbols:
 ifdef MOZ_CRASHREPORTER
-	$(topsrcdir)/toolkit/crashreporter/tools/upload_symbols.sh "$(DIST)/$(SYMBOL_ARCHIVE_BASENAME).zip"
+	$(SHELL) $(topsrcdir)/toolkit/crashreporter/tools/upload_symbols.sh "$(DIST)/$(SYMBOL_ARCHIVE_BASENAME).zip"
 endif
 
 ifeq ($(OS_ARCH),WINNT)
 signnss:
 ifdef MOZILLA_OFFICIAL
 	echo signing NSS libs
 	cd $(DIST)/bin; ./shlibsign.exe -v -i softokn3.dll
 	cd $(DIST)/bin; ./shlibsign.exe -v -i freebl3.dll