diff --git a/wlauto/utils/uefi.py b/wlauto/utils/uefi.py
index 88fce8ba..00c62364 100644
--- a/wlauto/utils/uefi.py
+++ b/wlauto/utils/uefi.py
@@ -52,7 +52,7 @@ class UefiMenu(object):
     """
 
     option_regex = re.compile(r'^\[(\d+)\]\s+([^\r]+)\r\n', re.M)
-    prompt_regex = re.compile(r'^([^\r\n]+):\s*', re.M)
+    prompt_regex = re.compile(r'^(\S[^\r\n]+):\s*', re.M)
     invalid_regex = re.compile(r'Invalid input \(max (\d+)\)', re.M)
 
     load_delay = 1  # seconds