diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index a9af9acd31f..eddf35d83a0 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -950,6 +950,7 @@ static void shader_glsl_init_transform_feedback(const struct wined3d_context *co
     {
         FIXME("No varyings to record, disabling transform feedback.\n");
         shader->u.gs.so_desc.element_count = 0;
+        string_buffer_release(&priv->string_buffers, buffer);
         return;
     }