1 files changed, 1 insertions, 1 deletions
diff --git a/lib/lib.c b/lib/lib.c
index 56656435..3f4819fb 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -297,7 +297,7 @@ long long atolx(char *numstr)
   long long val;
 
   val = xstrtol(numstr, &c, 0);
-  if (c != numstr && (end = strchr(suffixes, tolower(*c)))) {
+  if (c != numstr && *c && (end = strchr(suffixes, tolower(*c)))) {
     int shift = end-suffixes-2;
 
     if (shift >= 0) {