diff --git a/procps/fuser.c b/procps/fuser.c
index 2a7c310..8d63a73 100644
--- a/procps/fuser.c
+++ b/procps/fuser.c
@@ -299,7 +299,7 @@
 
 		strcpy(path, "/proc/net/");
 		if (sscanf(*pp, "%u/%4s", &port, path + sizeof("/proc/net/")-1) == 2
-		 && access(path, R_OK) != 0
+		 && access(path, R_OK) == 0
 		) {
 			/* PORT/PROTO */
 			scan_proc_net_or_maps(path, port);