diff --git a/rockspec/luaunit-2.0-1.rockspec b/rockspec/luaunit-2.0-1.rockspec
index cc868670..1a6b3f89 100644
--- a/rockspec/luaunit-2.0-1.rockspec
+++ b/rockspec/luaunit-2.0-1.rockspec
@@ -3,7 +3,7 @@ version = "2.0-1"
 source =
 {
 	url = "git://github.com/rjpcomputing/luaunit",
-	tag = "v2.0"
+	tag = "v2_0"
 }
 
 description =
diff --git a/rockspec/luaunit-2.1-1.rockspec b/rockspec/luaunit-2.1-1.rockspec
index 569ae929..e24f13da 100644
--- a/rockspec/luaunit-2.1-1.rockspec
+++ b/rockspec/luaunit-2.1-1.rockspec
@@ -3,7 +3,7 @@ version = "2.1-1"
 source =
 {
 	url = "git://github.com/rjpcomputing/luaunit",
-	tag = "v2.1"
+	tag = "v2_1"
 }
 
 description =