diff --git a/test/lisp/progmodes/eglot-tests.el b/test/lisp/progmodes/eglot-tests.el
index 7489ad53645..984c1bf9916 100644
--- a/test/lisp/progmodes/eglot-tests.el
+++ b/test/lisp/progmodes/eglot-tests.el
@@ -647,7 +647,7 @@ int main() {
       (completion-at-point)
       (message (buffer-string))
       (should (looking-back "fprintf(?"))
-      (unless (= (char-before) ?\()) (insert "()") (backward-char)
+      (unless (= (char-before) ?\() (insert "()") (backward-char))
       (eglot--signal-textDocument/didChange)
       (should (string-match "^fprintf" (eglot--tests-force-full-eldoc))))))