diff --git a/Include/errors.h b/Include/errors.h
index b6735a7550d..ce00e3e9c15 100755
--- a/Include/errors.h
+++ b/Include/errors.h
@@ -36,6 +36,7 @@ void err_clear PROTO((void));
 extern object *AttributeError;
 extern object *EOFError;
 extern object *IOError;
+extern object *ImportError;
 extern object *IndexError;
 extern object *KeyError;
 extern object *KeyboardInterrupt;
diff --git a/Include/pyerrors.h b/Include/pyerrors.h
index b6735a7550d..ce00e3e9c15 100644
--- a/Include/pyerrors.h
+++ b/Include/pyerrors.h
@@ -36,6 +36,7 @@ void err_clear PROTO((void));
 extern object *AttributeError;
 extern object *EOFError;
 extern object *IOError;
+extern object *ImportError;
 extern object *IndexError;
 extern object *KeyError;
 extern object *KeyboardInterrupt;