diff --git a/libc/calls/getprogramexecutablename.greg.c b/libc/calls/getprogramexecutablename.greg.c
index 17d270ad4..5d3c576b5 100644
--- a/libc/calls/getprogramexecutablename.greg.c
+++ b/libc/calls/getprogramexecutablename.greg.c
@@ -98,6 +98,7 @@ static int TryPath(const char *q, int com) {
   }
   *p = 0;
   if (!sys_faccessat(AT_FDCWD, g_prog.u.buf, F_OK, 0)) return 1;
+  if (!com) return 0;
   p = WRITE32LE(p, READ32LE(".com"));
   *p = 0;
   if (!sys_faccessat(AT_FDCWD, g_prog.u.buf, F_OK, 0)) return 1;