diff --git a/src/ytdl_sub/script/script.py b/src/ytdl_sub/script/script.py
index 40b6465a..d0c9a0d8 100644
--- a/src/ytdl_sub/script/script.py
+++ b/src/ytdl_sub/script/script.py
@@ -519,7 +519,7 @@ class ScriptBuilder:
         for missing_metadata in self._missing_metadata:
             for name, missing in missing_metadata.items():
                 raise ScriptBuilderMissingDefinitions(
-                    f"{name} is missing the following definitions: {', '.join(missing_metadata)}"
+                    f"{name} is missing the following definitions: {', '.join(missing)}"
                 )
 
         return self._build(variables=self._variables, functions=self._functions)
diff --git a/tests/unit/script/test_script_builder.py b/tests/unit/script/test_script_builder.py
index 87f06b3f..e6f3d27d 100644
--- a/tests/unit/script/test_script_builder.py
+++ b/tests/unit/script/test_script_builder.py
@@ -18,12 +18,12 @@ class TestScriptBuilder:
         script = ScriptBuilder(
             {
                 "entry": "{ {} }",
-                "title": "{%map_get(entry, 'title')}",
+                "title": "{%map_get(entry, 'title', '')}",
                 "resolved_override": "{override} mom",
             }
         )
 
-        assert script.partial_build().resolve()
+        assert script.partial_build().resolve(unresolvable={"entry"})
 
         with pytest.raises(
             ScriptBuilderMissingDefinitions,
@@ -32,6 +32,7 @@ class TestScriptBuilder:
             script.build()
 
         script.add({"override": "hi"})
+        script.add_resolved({"entry": entry_map})
 
         script.build()