diff --git a/ethosu/regor/architecture/ethosu85/ethos_u85_scaling.cpp b/ethosu/regor/architecture/ethosu85/ethos_u85_scaling.cpp
index b7171177340d18dd534b6e66de3eb51769c2c125..166774d02ec5f0dd30228c1f44170c008617ec42 100644
--- a/ethosu/regor/architecture/ethosu85/ethos_u85_scaling.cpp
+++ b/ethosu/regor/architecture/ethosu85/ethos_u85_scaling.cpp
@@ -99,7 +99,7 @@ void RescaleConvolution(HLCOperation *op)
         }
         else
         {
-            outScale = ElementwiseMulScale(ifm1Scale, ifm2Scale, ofmScale);
+            outScale = ElementwiseMulScale<float, double>(ifm1Scale, ifm2Scale, ofmScale);
         }
     }
 
diff --git a/ethosu/regor/common/scaling.hpp b/ethosu/regor/common/scaling.hpp
index 0b4d0360af3209bb9fb76809abf24ae717c5e026..f288dd540a75999166c8f46fdb6f0f3467d2976e 100644
--- a/ethosu/regor/common/scaling.hpp
+++ b/ethosu/regor/common/scaling.hpp
@@ -50,15 +50,15 @@ public:
 };
 
 /* Calculate elementwise Mul OFM QuantizedScale */
-template<typename T = float>
+template<typename T = float, typename TDIV = T>
 QuantizedScale ElementwiseMulScale(double inputScale, double input2Scale, double outputScale)
 {
     // clamp to single-point precision
     T ifm1Scale = ClampToType<T>(inputScale);
     T ifm2Scale = ClampToType<T>(input2Scale);
-    T outScale = ClampToType<T>(outputScale);
+    TDIV outScale = ClampToType<TDIV>(outputScale);
 
-    T outputRescale = (ifm1Scale * ifm2Scale) / outScale;
+    TDIV outputRescale = (ifm1Scale * ifm2Scale) / outScale;
     return QuantizedScale(outputRescale);
 }