diff --git a/Angle32.h b/Angle32.h
index 4820af6..7d8ce10 100644
--- a/Angle32.h
+++ b/Angle32.h
@@ -12,7 +12,7 @@ template <> Angle32::AngleUsing(float angle) {
   }
 
   // map float [-180..180) to integer [-2147483648..2147483647]
-  this->value = (signed short)((angle / 360.0F) * 4294967295.0F);
+  this->value = (signed long)((angle / 360.0F) * 4294967295.0F);
 }
 
 template <> float Angle32::ToFloat() const {