1 files changed, 2 insertions, 1 deletions

diff --git a/libbb/procps.c b/libbb/procps.c
index 0e3f2f9da..c06ff1d70 100644
--- a/libbb/procps.c
+++ b/libbb/procps.c
@@ -127,7 +127,8 @@ static unsigned long fast_strtoul_16(char **endptr)
         char *str = *endptr;
         unsigned long n = 0;
 
-        while ((c = *str++) != ' ') {
+        /* need to stop on both ' ' and '\n' */
+        while ((c = *str++) > ' ') {
                 c = ((c|0x20) - '0');
                 if (c > 9)
                         // c = c + '0' - 'a' + 10: