1 files changed, 1 insertions, 0 deletions
diff --git a/pygments/lexers/ml.py b/pygments/lexers/ml.py
index c2d2bb12..db36bf92 100644
--- a/pygments/lexers/ml.py
+++ b/pygments/lexers/ml.py
@@ -441,6 +441,7 @@ class OcamlLexer(RegexLexer):
             (r'[A-Z][\w\']*(?=\s*\.)', Name.Namespace),
             (r'[A-Z][\w\']*', Name.Class, '#pop'),
             (r'[a-z_][\w\']*', Name, '#pop'),
+            default('#pop'),
         ],
     }