diff --git a/mac/gramps.modules b/mac/gramps.modules
index 15ad975fb..d97ad6eb9 100644
--- a/mac/gramps.modules
+++ b/mac/gramps.modules
@@ -79,7 +79,7 @@ gtk-mac-bundler gtk-osx-build/projects/gramps/gramps.bundle
   </distutils>
 
   <distutils id="gramps-40" supports-non-srcdir-builds="no">
-    <branch module="gramps/gramps-4.0.0-tar.gz" version="4.0.0"
+    <branch module="gramps/gramps-4.0.0.tar.gz" version="4.0.0"
 	    repo="sourceforge"/>
     <dependencies>
       <dep package="meta-gtk-osx-python-gtk3"/>