diff --git a/stmhal/qstrdefsport.h b/stmhal/qstrdefsport.h
index e830d28c68573..ab6b967e6424f 100644
--- a/stmhal/qstrdefsport.h
+++ b/stmhal/qstrdefsport.h
@@ -753,6 +753,8 @@ Q(pixels)
 Q(centroid)
 Q(orientation_radians)
 Q(orientation_degrees)
+Q(negate)
+Q(difference)
 Q(kp_desc)
 Q(lbp_desc)
 Q(Cascade)