diff --git a/video/out/opengl/context_x11egl.c b/video/out/opengl/context_x11egl.c
index 812718a647..321df4039d 100644
--- a/video/out/opengl/context_x11egl.c
+++ b/video/out/opengl/context_x11egl.c
@@ -116,6 +116,9 @@ static bool mpegl_init(struct ra_ctx *ctx)
         .refine_config = ctx->opts.want_alpha ? pick_xrgba_config : NULL,
     };
 
+    if (!strcmp(eglQueryString(p->egl_display, EGL_VENDOR), "Mesa Project"))
+        ctx->opts.want_alpha = 0;
+
     EGLConfig config;
     if (!mpegl_create_context_cb(ctx, p->egl_display, cb, &p->egl_context, &config))
         goto uninit;
diff --git a/video/out/opengl/egl_helpers.c b/video/out/opengl/egl_helpers.c
index 564068a448..ad026ba253 100644
--- a/video/out/opengl/egl_helpers.c
+++ b/video/out/opengl/egl_helpers.c
@@ -120,7 +120,7 @@ static bool create_context(struct ra_ctx *ctx, EGLDisplay display,
         EGL_RED_SIZE, 8,
         EGL_GREEN_SIZE, 8,
         EGL_BLUE_SIZE, 8,
-        EGL_ALPHA_SIZE, 0,
+        EGL_ALPHA_SIZE, ctx->opts.want_alpha ? 1 : 0,
         EGL_RENDERABLE_TYPE, rend,
         EGL_NONE
     };