diff --git a/src/Matrix.cc b/src/Matrix.cc
index 4978953..05312c9 100755
--- a/src/Matrix.cc
+++ b/src/Matrix.cc
@@ -1013,7 +1013,12 @@ NAN_METHOD(Matrix::AddWeighted) {
 	float beta = args[3]->NumberValue();
 	int gamma = 0;
 
-	cv::addWeighted(src1->mat, alpha, src2->mat, beta, gamma, self->mat);
+  try{
+	  cv::addWeighted(src1->mat, alpha, src2->mat, beta, gamma, self->mat);
+  } catch(cv::Exception& e ){
+    const char* err_msg = e.what();
+    NanThrowError(err_msg);
+  }
 
 
 	NanReturnNull();