diff --git a/benchmarks/benchmarks/external_cmds.fish b/benchmarks/benchmarks/external_cmds.fish
index 9c79e6f2e..7fc39561d 100644
--- a/benchmarks/benchmarks/external_cmds.fish
+++ b/benchmarks/benchmarks/external_cmds.fish
@@ -1,4 +1,4 @@
 for i in (seq 2000)
-   /usr/bin/true
+   command true
 end