diff --git a/src/cuda.cu b/src/cuda.cu
index a12e7c82fee29b4c41afa8513fb6d78a9e923e3c..1c994f6c12b1e61a118902204eebbc95d2b78079 100644
--- a/src/cuda.cu
+++ b/src/cuda.cu
@@ -107,9 +107,11 @@ __global__ void mergeSort(int* output, int *temporary_array, int index, int widt
   int x = blockIdx.x * blockDim.x + threadIdx.x;
   int left = width*x*arrayPerThread;
   int mid,right;
+
   for(int i = 0; i < arrayPerThread; i++){
     if(left >= index) break;
-    mid = fminf(left+(width/2), index); // ini min nya emang defined? @nyamnyam, nggak tau, tpi blm merge sort aja di TC 4 ada segfault, jdi mau solve itu dlu
+
+    mid = fminf(left+(width/2), index); 
     right = fminf(left+width, index);
     mergeArray(output, temporary_array, left, mid, right);
     left += width;
@@ -164,7 +166,7 @@ void convolutionWithCUDA(int* output, int* kernel, int* target, int rowKernel, i
   long nThreads = thread_num;
   for(int width = 2; width < index*2; width*=2){
     int arrayPerThread = index/(nThreads*width) + 1;
-    mergeSort<<<1, dim3(thread_num, 1, 1)>>>(output_datarange, temporary_array, index, width, arrayPerThread);
+    mergeSort<<<1, thread_num>>>(output_datarange,temporary_array, index, width, arrayPerThread);
     temp_swap = output_datarange;
     output_datarange = temporary_array;
     temporary_array = temp_swap;