diff --git a/test/test-functions b/test/test-functions
index 194cd682bb6..ff0cc963ce1 100644
--- a/test/test-functions
+++ b/test/test-functions
@@ -197,6 +197,7 @@ BASICTOOLS=(
     nproc
     pkill
     readlink
+    realpath
     rev
     rm
     rmdir