diff --git a/Makefile.in b/Makefile.in
index 8b7bc45fe0f6..84a71ed9f1b4 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -309,12 +309,12 @@ ifdef MOZ_CRASHREPORTER
 	echo packing symbols
 	$(NSINSTALL) -D $(DIST)/$(PKG_PATH)
 	cd $(DIST)/crashreporter-symbols && \
-          zip -r9D '../$(PKG_PATH)$(SYMBOL_FULL_ARCHIVE_BASENAME).zip' . -x '*test*' -x '*Test*'
+          zip -r5D '../$(PKG_PATH)$(SYMBOL_FULL_ARCHIVE_BASENAME).zip' . -x '*test*' -x '*Test*'
 	cd $(DIST)/crashreporter-symbols && \
 	grep 'sym' $(SYMBOL_INDEX_NAME) > $(SYMBOL_INDEX_NAME).tmp && \
 	  mv $(SYMBOL_INDEX_NAME).tmp $(SYMBOL_INDEX_NAME)
 	cd $(DIST)/crashreporter-symbols && \
-          zip -r9D '../$(PKG_PATH)$(SYMBOL_ARCHIVE_BASENAME).zip' . -i '*.sym' -i '*.txt'  -x '*test*' -x '*Test*'
+          zip -r5D '../$(PKG_PATH)$(SYMBOL_ARCHIVE_BASENAME).zip' . -i '*.sym' -i '*.txt'  -x '*test*' -x '*Test*'
 endif # MOZ_CRASHREPORTER
 
 uploadsymbols: