diff --git a/source_codes/sorting/quicksort.c b/source_codes/sorting/quicksort.c
index f02bd6eac04d132a179ea539e06ae2c1e9f7813f..7357b69f03b3f91b1d7c4184de751c15da32c229 100644
--- a/source_codes/sorting/quicksort.c
+++ b/source_codes/sorting/quicksort.c
@@ -66,7 +66,7 @@ int main(int argc,char** argv) {
    int size = atoi(argv[1]);
    int seed = atoi(argv[2]);
    srand(seed);
-   int* res = (int*)malloc(size*sizeof(int));
+   int* res = malloc(size*sizeof(int));
    for (int k=0;k<20;k++) {
       random_tab(size,res,0,100);
       print(size,res);