diff --git a/tests/checks/tmux-complete.fish b/tests/checks/tmux-complete.fish
index 2fc607551..4a7c5c8bb 100644
--- a/tests/checks/tmux-complete.fish
+++ b/tests/checks/tmux-complete.fish
@@ -1,5 +1,6 @@
 #RUN: %fish %s
 #REQUIRES: command -v tmux
+#REQUIRES: test "$(uname)" != Darwin
 
 isolated-tmux-start