diff --git a/src/scalar_low_impl.h b/src/scalar_low_impl.h
index 5dbc35604c..daa5e37118 100644
--- a/src/scalar_low_impl.h
+++ b/src/scalar_low_impl.h
@@ -40,6 +40,8 @@ static void secp256k1_scalar_cadd_bit(secp256k1_scalar *r, unsigned int bit, int
     if (flag && bit < 32)
         *r += ((uint32_t)1 << bit);
 #ifdef VERIFY
+    VERIFY_CHECK(bit < 32);
+    VERIFY_CHECK(((uint32_t)1 << bit) - 1 <= UINT32_MAX - EXHAUSTIVE_TEST_ORDER);
     VERIFY_CHECK(secp256k1_scalar_check_overflow(r) == 0);
 #endif
 }