diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index a4164cccb8e..337889781d2 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -690,7 +690,10 @@ dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data)
 
    (void) screen;
 
+   mtx_lock(&disp->Mutex);
    img = _eglLookupImage(image, disp);
+   mtx_unlock(&disp->Mutex);
+
    if (img == NULL) {
       _eglError(EGL_BAD_PARAMETER, "dri2_lookup_egl_image");
       return NULL;