diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index 7ad944fe6a9..9707f81a3b5 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -1761,7 +1761,7 @@ static DWORD wined3d_parse_gl_version(const char *gl_version)
 }
 
 static enum wined3d_gl_vendor wined3d_guess_gl_vendor(const struct wined3d_gl_info *gl_info,
-        const char *gl_vendor_string, const char *gl_renderer)
+        const char *gl_vendor_string, const char *gl_renderer, const char *gl_version)
 {
     /* MacOS has various specialities in the extensions it advertises. Some have to be loaded from
      * the opengl 1.2+ core, while other extensions are advertised, but software emulated. So try to
@@ -1792,7 +1792,8 @@ static enum wined3d_gl_vendor wined3d_guess_gl_vendor(const struct wined3d_gl_in
             || strstr(gl_vendor_string, "Intel")
             || strstr(gl_renderer, "Mesa")
             || strstr(gl_renderer, "Gallium")
-            || strstr(gl_renderer, "Intel"))
+            || strstr(gl_renderer, "Intel")
+            || strstr(gl_version, "Mesa"))
         return GL_VENDOR_MESA;
 
     FIXME("Received unrecognized GL_VENDOR %s. Returning GL_VENDOR_UNKNOWN.\n",
@@ -4350,7 +4351,7 @@ static BOOL wined3d_adapter_init_gl_caps(struct wined3d_adapter *adapter,
         checkGLcall("creating VAO");
     }
 
-    gl_vendor = wined3d_guess_gl_vendor(gl_info, gl_vendor_str, gl_renderer_str);
+    gl_vendor = wined3d_guess_gl_vendor(gl_info, gl_vendor_str, gl_renderer_str, gl_version_str);
     TRACE("Guessed GL vendor %#x.\n", gl_vendor);
 
     if (!(gpu_description = query_gpu_description(gl_info, &vram_bytes)))