diff --git a/python/eme/gen-eme-voucher.py b/python/eme/gen-eme-voucher.py
index d5ef24e7d57d..24d1cb8b98d5 100644
--- a/python/eme/gen-eme-voucher.py
+++ b/python/eme/gen-eme-voucher.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3.3
+#!/usr/bin/env python
 # Copyright 2014 Adobe Systems Incorporated. All Rights Reserved.
 #
 # Adobe permits you to use, modify, and distribute this file in accordance
diff --git a/toolkit/mozapps/installer/make-eme.mk b/toolkit/mozapps/installer/make-eme.mk
index 462928b77f83..d3b67a4f0c34 100644
--- a/toolkit/mozapps/installer/make-eme.mk
+++ b/toolkit/mozapps/installer/make-eme.mk
@@ -6,7 +6,8 @@ include $(MOZILLA_DIR)/toolkit/mozapps/installer/signing.mk
 
 ifdef MOZ_SIGN_CMD
   ifeq ($(OS_ARCH),WINNT)
-    MAKE_SIGN_EME_VOUCHER := $(PYTHON) $(MOZILLA_DIR)/python/eme/gen-eme-voucher.py -input $(DIST)/bin/plugin-container.exe -output $(DIST)/$(STAGEPATH)$(MOZ_PKG_DIR)/voucher.bin && \
-      $(MOZ_SIGN_CMD) -f emevoucher "$(DIST)/$(STAGEPATH)$(MOZ_PKG_DIR)/voucher.bin"
+    # Note: CWD is DIST
+    MAKE_SIGN_EME_VOUCHER := $(PYTHON) $(MOZILLA_DIR)/python/eme/gen-eme-voucher.py -input $(STAGEPATH)$(MOZ_PKG_DIR)/plugin-container.exe -output $(STAGEPATH)$(MOZ_PKG_DIR)/voucher.bin && \
+      $(MOZ_SIGN_CMD) -f emevoucher "$(STAGEPATH)$(MOZ_PKG_DIR)/voucher.bin"
   endif
 endif
diff --git a/toolkit/mozapps/installer/packager.mk b/toolkit/mozapps/installer/packager.mk
index 455eb5b6d5a2..eef656c9994b 100644
--- a/toolkit/mozapps/installer/packager.mk
+++ b/toolkit/mozapps/installer/packager.mk
@@ -541,8 +541,9 @@ MAKE_PACKAGE    = cd ./$(PKG_DMG_SOURCE) && $(MOZ_SIGN_PREPARED_PACKAGE_CMD) $(M
                   && cd $(PACKAGE_BASE_DIR) \
                   && $(INNER_MAKE_PACKAGE)
 else
-MAKE_PACKAGE    = $(MOZ_SIGN_PREPARED_PACKAGE_CMD) \
-		  $(MOZ_PKG_DIR) && $(INNER_MAKE_PACKAGE)
+MAKE_PACKAGE    = $(MOZ_SIGN_PREPARED_PACKAGE_CMD) $(MOZ_PKG_DIR) \
+                  && $(or $(MAKE_SIGN_EME_VOUCHER),true) \
+                  && $(INNER_MAKE_PACKAGE)
 endif #Darwin
 
 else
@@ -709,7 +710,6 @@ stage-package: $(MOZ_PKG_MANIFEST)
 		$(MOZ_PKG_MANIFEST) $(DIST) $(DIST)/$(STAGEPATH)$(MOZ_PKG_DIR)$(if $(MOZ_PKG_MANIFEST),,$(_BINPATH)) \
 		$(if $(filter omni,$(MOZ_PACKAGER_FORMAT)),$(if $(NON_OMNIJAR_FILES),--non-resource $(NON_OMNIJAR_FILES)))
 	$(PYTHON) $(MOZILLA_DIR)/toolkit/mozapps/installer/find-dupes.py $(DIST)/$(STAGEPATH)$(MOZ_PKG_DIR)
-	$(MAKE_SIGN_EME_VOUCHER)
 ifndef LIBXUL_SDK
 ifdef MOZ_PACKAGE_JSSHELL
 # Package JavaScript Shell