diff --git a/SConstruct b/SConstruct
index 03990e4f10e..25a702c01de 100644
--- a/SConstruct
+++ b/SConstruct
@@ -612,7 +612,7 @@ env_vars.Add('LINKFLAGS',
 env_vars.Add('MONGO_DIST_SRC_PREFIX',
     help='Sets the prefix for files in the source distribution archive',
     converter=variable_distsrc_converter,
-    default="mongodb-r${MONGO_VERSION}")
+    default="mongodb-src-r${MONGO_VERSION}")
 
 env_vars.Add('MONGO_VERSION',
     help='Sets the version string for MongoDB',