diff --git a/src/if_ole.cpp b/src/if_ole.cpp
index 544ea16..59c786a 100644
--- a/src/if_ole.cpp
+++ b/src/if_ole.cpp
@@ -368,7 +368,7 @@
 
     /* Evaluate the expression */
     ++emsg_skip;
-    str = (char *)eval_to_string((char_u *)buffer, NULL);
+    str = (char *)eval_to_string((char_u *)buffer, NULL, TRUE);
     --emsg_skip;
     vim_free(buffer);
     if (str == NULL)