diff --git a/src/Functions/FunctionBinaryArithmetic.h b/src/Functions/FunctionBinaryArithmetic.h
index b2ea79cea61..f3904ae764e 100644
--- a/src/Functions/FunctionBinaryArithmetic.h
+++ b/src/Functions/FunctionBinaryArithmetic.h
@@ -236,19 +236,24 @@ struct DecimalBinaryOperation
                 return;
             }
         }
-        else if constexpr(is_multiply && (!is_decimal_a || !is_decimal_b))
+        else if constexpr(is_multiply && (!is_decimal_a || !is_decimal_b)) // BUG very bad solution
         {
             if (scale_a != 1)
             {
                 for (size_t i = 0; i < size; ++i)
-                    // BUG very bad solution
-                    c[i] = apply(undec(a[i]), undec(b[i])) / DecimalUtils::scaleMultiplier<NativeResultType>(scale_a);
+                    if constexpr(IsDecimalNumber<ResultType>)
+                        c[i] = apply(undec(a[i]), undec(b[i])) / DecimalUtils::scaleMultiplier<NativeResultType>(scale_a);
+                    else
+                        c[i] = apply(undec(a[i]), undec(b[i])) / DecimalUtils::scaleMultiplier<Int64>(scale_a);
                 return;
             }
             else if (scale_b != 1)
             {
                 for (size_t i = 0; i < size; ++i)
-                    c[i] = apply(undec(a[i]), undec(b[i])) / DecimalUtils::scaleMultiplier<NativeResultType>(scale_b);
+                    if constexpr(IsDecimalNumber<ResultType>)
+                        c[i] = apply(undec(a[i]), undec(b[i])) / DecimalUtils::scaleMultiplier<NativeResultType>(scale_b);
+                    else
+                        c[i] = apply(undec(a[i]), undec(b[i])) / DecimalUtils::scaleMultiplier<Int64>(scale_b);
 
                 return;
             }