diff --git a/lib/libpmc/pmu-events/jevents.c b/lib/libpmc/pmu-events/jevents.c
index ff7d3b226932..590b465af400 100644
--- a/lib/libpmc/pmu-events/jevents.c
+++ b/lib/libpmc/pmu-events/jevents.c
@@ -1355,7 +1355,11 @@ int main(int argc, char *argv[])
 #include <fts.h>
 
 static int
+#ifdef __GLIBC__
+fts_compare(const FTSENT **a, const FTSENT **b)
+#else
 fts_compare(const FTSENT * const *a, const FTSENT * const *b)
+#endif
 {
 	return (strcmp((*a)->fts_name, (*b)->fts_name));
 }