diff --git a/firmware/filesystem/util.c b/firmware/filesystem/util.c
index 2965656..e425852 100644
--- a/firmware/filesystem/util.c
+++ b/firmware/filesystem/util.c
@@ -55,7 +55,7 @@ int writeFile(char * filename, char * data, int len){
     UINT writebytes;
     int res;
 
-	res=f_open(&file, filename, FA_OPEN_ALWAYS|FA_WRITE);
+	res=f_open(&file, filename, FA_CREATE_ALWAYS|FA_WRITE);
     if(res){
         return -1;
     };