diff --git a/platform/drm/cog-platform-drm.c b/platform/drm/cog-platform-drm.c
index bd47b1d9..86e8c5ae 100644
--- a/platform/drm/cog-platform-drm.c
+++ b/platform/drm/cog-platform-drm.c
@@ -358,7 +358,7 @@ find_crtc_for_encoder(const drmModeRes *resources, const drmModeEncoder *encoder
     for (int i = 0; i < resources->count_crtcs; i++) {
         const uint32_t crtc_mask = 1 << i;
         const uint32_t crtc_id = resources->crtcs[i];
-        if (encoder->possible_crtcs & crtc_mask) {
+        if (encoder->possible_crtcs & crtc_mask && encoder->crtc_id == crtc_id) {
             return crtc_id;
         }
     }