diff --git a/codec/h264/h264dec/fuzz/helpers.c b/codec/h264/h264dec/fuzz/helpers.c
index 25a8d203..2b9bf6dc 100644
--- a/codec/h264/h264dec/fuzz/helpers.c
+++ b/codec/h264/h264dec/fuzz/helpers.c
@@ -30,7 +30,7 @@ typedef struct Reader Reader;
 
 BitReader* new_BitReader(char* d, int l){
   Reader* r = (Reader*)malloc(sizeof(Reader));
-  if(!r){
+  if(r == NULL){
     return NULL;
   }
   r->data = d;
@@ -39,7 +39,7 @@ BitReader* new_BitReader(char* d, int l){
   r->err = 0;
 
   BitReader* br = (BitReader*)malloc(sizeof(BitReader));
-  if(!br){
+  if(br == NULL){
     return NULL;
   }
   br->r = r;