--- a/tools/update-packaging/Makefile.in
+++ b/tools/update-packaging/Makefile.in
@@ -55,25 +55,27 @@ dir-stage := $(call mkdir_deps,$(STAGE_D
 
 complete-patch:: $(dir-stage)
 ifeq ($(OS_TARGET), WINNT)
 	test -f $(UNPACKAGE)
 	$(RM) -rf '$(PACKAGE_DIR)'
 	cd $(PACKAGE_BASE_DIR) && $(INNER_UNMAKE_PACKAGE)
 endif
 	MAR=$(MAR_BIN) \
+	MOZ_PRODUCT_VERSION=$(MOZ_APP_VERSION) \
 	  $(srcdir)/make_full_update.sh \
 	  '$(DIST)/$(COMPLETE_MAR)' \
 	  '$(PACKAGE_DIR)'
 ifdef MOZ_SIGN_CMD
 	$(MOZ_SIGN_CMD) -f mar '$(DIST)/$(COMPLETE_MAR)'
 endif
 
 partial-patch:: $(dir-stage)
 	MAR=$(MAR_BIN) \
 	MBSDIFF=$(MBSDIFF_BIN) \
+	MOZ_PRODUCT_VERSION=$(MOZ_APP_VERSION) \
 	  $(srcdir)/make_incremental_update.sh \
 	  '$(STAGE_DIR)/$(PKG_UPDATE_BASENAME).partial.$(SRC_BUILD_ID)-$(DST_BUILD_ID).mar' \
 	  '$(SRC_BUILD)' \
 	  '$(DST_BUILD)'
 ifdef MOZ_SIGN_CMD
 	$(MOZ_SIGN_CMD) -f mar '$(STAGE_DIR)/$(PKG_UPDATE_BASENAME).partial.$(SRC_BUILD_ID)-$(DST_BUILD_ID).mar'
 endif

--- a/tools/update-packaging/make_full_update.sh
+++ b/tools/update-packaging/make_full_update.sh
@@ -102,17 +102,23 @@ done
 # Append remove instructions for any dead files.
 notice ""
 notice "Adding file and directory remove instructions from file 'removed-files'"
 append_remove_instructions "$targetdir" "$updatemanifestv2" "$updatemanifestv3"
 
 $BZIP2 -z9 "$updatemanifestv2" && mv -f "$updatemanifestv2.bz2" "$updatemanifestv2"
 $BZIP2 -z9 "$updatemanifestv3" && mv -f "$updatemanifestv3.bz2" "$updatemanifestv3"
 
-eval "$MAR -C \"$workdir\" -c output.mar $targetfiles"
+mar_command="$MAR"
+if [[ -n $MOZ_PRODUCT_VERSION ]]
+then
+  mar_command="$mar_command -V $MOZ_PRODUCT_VERSION"
+fi
+mar_command="$mar_command -C \"$workdir\" -c output.mar"
+eval "$mar_command $targetfiles"
 mv -f "$workdir/output.mar" "$archive"
 
 # cleanup
 rm -fr "$workdir"
 
 notice ""
 notice "Finished"
 notice ""