diff --git a/packages/mosaic/framework/tools/_scripts/mosaic-doctor b/packages/mosaic/framework/tools/_scripts/mosaic-doctor
index 30b95389..22ac52c8 100755
--- a/packages/mosaic/framework/tools/_scripts/mosaic-doctor
+++ b/packages/mosaic/framework/tools/_scripts/mosaic-doctor
@@ -173,7 +173,7 @@ if [[ -f "$framework_drift_checker" ]]; then
     set -e
     if [[ "$drift_rc" -eq 0 ]]; then
       pass "Installed framework tools match shipped source"
-    elif [[ "$drift_rc" -eq 124 || "$drift_rc" -eq 137 ]]; then
+    elif [[ "$drift_rc" -eq 124 || "$drift_rc" -eq 137 || "$drift_rc" -eq 143 ]]; then
       warn "CANNOT_ASSERT framework drift checker timed out after ${drift_timeout}s; continuing remaining doctor checks"
     else
       warn "Installed framework-tool drift detected (checker exit $drift_rc; no files changed)"