1 files changed, 3 insertions, 2 deletions

diff --git a/tools/bpf/bpftool/perf.c b/tools/bpf/bpftool/perf.c
index ac6b1a12c9b7..b76b77dcfd1f 100644
--- a/tools/bpf/bpftool/perf.c
+++ b/tools/bpf/bpftool/perf.c
@@ -29,9 +29,10 @@ static bool has_perf_query_support(void)
         if (perf_query_supported)
                 goto out;
 
-        fd = open(bin_name, O_RDONLY);
+        fd = open("/", O_RDONLY);
         if (fd < 0) {
-                p_err("perf_query_support: %s", strerror(errno));
+                p_err("perf_query_support: cannot open directory \"/\" (%s)",
+                      strerror(errno));
                 goto out;
         }