diff --git a/c-programming/reverse-ramdisk.c b/c-programming/reverse-ramdisk.c
index e7823d0..5535c38 100644
--- a/c-programming/reverse-ramdisk.c
+++ b/c-programming/reverse-ramdisk.c
@@ -106,8 +106,7 @@ int tf_alloc(size_t n, size_t type_size) {
 	if (temp_files == NULL)
 		temp_files = malloc(sizeof(TempFile));
 	else
-		temp_files = realloc(temp_files,
-			(size_t) num_temp_files * sizeof(TempFile));
+		temp_files = realloc(temp_files, num_temp_files * sizeof(TempFile));
 	if (temp_files == NULL) {
 		LINE_FAIL(-2);
 		return -1;