diff --git a/dix/registry.c b/dix/registry.c
index 10fa21f..c50b019 100644
--- a/dix/registry.c
+++ b/dix/registry.c
@@ -181,6 +181,8 @@ RegisterExtensionNames(ExtensionEntry *extEntry)
            RegisterErrorName(extEntry->errorBase + offset, lineobj);
            break;
        }
+
+       free(lineobj);
     }
 }