diff --git a/src/parsing.h b/src/parsing.h
index baeca34..f9272c8 100644
--- a/src/parsing.h
+++ b/src/parsing.h
@@ -34,7 +34,7 @@ static inline int64_t fast_str2ll(char **str) {
 
 static inline uint64_t findAndParseField(char **filedata, char *fld) {
   char *field = strstr(*filedata, fld);
-  if (!field) return -1;
+  if (!field) return 0;
   while (*field < '0' || *field > '9') field++;
   *filedata = field;
   uint64_t val = fast_str2ull(filedata);