diff --git a/examples/snack/vector_copy/VectorCopy.cpp b/examples/snack/vector_copy/VectorCopy.cpp
index ec1e779..770566e 100644
--- a/examples/snack/vector_copy/VectorCopy.cpp
+++ b/examples/snack/vector_copy/VectorCopy.cpp
@@ -11,17 +11,21 @@ int main(int argc, char **argv)
 	//Setup kernel arguments
 	int* in=(int*)malloc(1024*1024*4);
 	int* out=(int*)malloc(1024*1024*4);
-	memset(out, 0, 1024*1024*4);
-	memset(in, 1, 1024*1024*4);
-
-        Launch_params_t lparm={ .ndim=1, .gdims={1024*1024}, .ldims={256} };
-        vcopy(out,in,lparm);
+	memset(out, -1, 1024*1024*4);
+	for(int i=0; i<1024*1024; i++)
+		in[i] = i;
+	
+	Launch_params_t lparm={ .ndim=1, .gdims={1024*1024}, .ldims={256} };
+	vcopy(in, out, lparm);
 
 	//Validate
 	bool valid=true;
 	int failIndex=0;
-	for(int i=0; i<1024*1024; i++) {
-		if(out[i]!=in[i]) {
+	for(int i=0; i<1024*1024; i++) 
+	{
+		int in_i = in[i];
+		int out_i = out[i];
+		if(out_i!=in_i) {
 			failIndex=i;
 			valid=false;
 			break;
@@ -38,4 +42,3 @@ int main(int argc, char **argv)
 
     return 0;
 }
-