diff --git a/lib/ansible/plugins/terminal/bigip.py b/lib/ansible/plugins/terminal/bigip.py
index 9093d7bcc7..2e9f65dee8 100644
--- a/lib/ansible/plugins/terminal/bigip.py
+++ b/lib/ansible/plugins/terminal/bigip.py
@@ -36,6 +36,7 @@ class TerminalModule(TerminalBase):
 
     terminal_stderr_re = [
         re.compile(br"% ?Error"),
+        re.compile(br"Syntax Error", re.I),
         re.compile(br"% User not present"),
         re.compile(br"% ?Bad secret"),
         re.compile(br"invalid input", re.I),