diff --git a/sdk/lib/crt/math/arm/__rt_div_worker.h b/sdk/lib/crt/math/arm/__rt_div_worker.h
index 2b658415a3f..c920ec528e3 100644
--- a/sdk/lib/crt/math/arm/__rt_div_worker.h
+++ b/sdk/lib/crt/math/arm/__rt_div_worker.h
@@ -87,7 +87,11 @@ __rt_div_worker(
     if (divisor > dividend)
     {
         result->data.quotient = 0;
-        result->data.modulus = divisor;
+#ifdef _SIGNED_DIV_
+        if (dividend_sign)
+            dividend = -(INT3264)dividend;
+#endif // _SIGNED_DIV_
+        result->data.modulus = dividend;
         return;
     }