1 files changed, 1 insertions, 1 deletions

diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 293cdfc1b8ca..4585f1d86792 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -106,7 +106,7 @@ static int strtailcmp(const char *s1, const char *s2)
 {
         int i1 = strlen(s1);
         int i2 = strlen(s2);
-        while (--i1 > 0 && --i2 > 0) {
+        while (--i1 >= 0 && --i2 >= 0) {
                 if (s1[i1] != s2[i2])
                         return s1[i1] - s2[i2];
         }