Index: src/util.c
--- src/util.c.orig
+++ src/util.c
@@ -37,6 +37,9 @@
 static gchar *
 get_cmdline_of_pid (GPid pid)
 {
+#ifdef __OpenBSD__
+        return NULL;
+#else
         gchar *ret;
         g_autofree gchar *filename = NULL;
         g_autofree gchar *contents = NULL;
@@ -65,6 +68,7 @@ get_cmdline_of_pid (GPid pid)
         ret = g_strdup (contents);
         g_strstrip (ret);
         return ret;
+#endif
 }
 
 static gboolean