diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index 7acafb3c5592d60501561986b1812fb6b121f271..c2cd9bf2348b5eb8e68603c32b7a3bf220c41aad 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -709,7 +709,7 @@ bool find_process(const char *name)
 
 	dir = opendir(procfs__mountpoint());
 	if (!dir)
-		return -1;
+		return false;
 
 	/* Walk through the directory. */
 	while (ret && (d = readdir(dir)) != NULL) {