diff --git a/src/mesa/main/debug_output.c b/src/mesa/main/debug_output.c
index 4e9209b2377..48dbbb31e5a 100644
--- a/src/mesa/main/debug_output.c
+++ b/src/mesa/main/debug_output.c
@@ -1282,12 +1282,14 @@ _mesa_init_debug_output(struct gl_context *ctx)
        */
       struct gl_debug_state *debug = _mesa_lock_debug_state(ctx);
       if (!debug) {
-         return;
+         goto done;
       }
       debug->DebugOutput = GL_TRUE;
       debug->LogToStderr = GL_TRUE;
       ctx->Const.ContextFlags |= GL_CONTEXT_FLAG_DEBUG_BIT;
    }
+done:
+   _mesa_unlock_debug_state(ctx);
 }