diff --git a/src/OpenCV.h b/src/OpenCV.h
index 01aa6ec7..7b1d2542 100755
--- a/src/OpenCV.h
+++ b/src/OpenCV.h
@@ -77,7 +77,7 @@ using namespace node;
   }
 
 #define DOUBLE_FROM_ARGS(NAME, IND) \
-  if (info[IND]->IsInt32()){ \
+  if (info[IND]->IsNumber()){ \
     NAME = info[IND]->NumberValue(); \
   }