diff --git a/libAFL/damn_vulnerable_c_program_git/imgRead.c b/libAFL/damn_vulnerable_c_program_git/imgRead.c
index c0997c2..984ca35 100644
--- a/libAFL/damn_vulnerable_c_program_git/imgRead.c
+++ b/libAFL/damn_vulnerable_c_program_git/imgRead.c
@@ -52,12 +52,12 @@ int ProcessImage(char* filename){
 		memcpy(buff1,img.data,sizeof(img.data));
 		free(buff1);
 		//double free	
-		if (size1/2==0){
+		if (size1%2==0){
 			free(buff1);
 		}
 		else{
 			//use after free
-			if(size1/3 == 0){
+			if(size1%3 == 0){
 				buff1[0]='a';
 			}
 		}