diff --git a/README.rst b/README.rst
index dc13f8c9..168d3139 100644
--- a/README.rst
+++ b/README.rst
@@ -43,7 +43,7 @@ An object of any user-defined type for which there is an overloaded
       }
     };
 
-    std::string s = fmt::Format("The date is {0}") << Date(2012, 12, 9))
+    std::string s = str(fmt::Format("The date is {0}") << Date(2012, 12, 9);
     // s == "The date is 2012-12-9"
 
 Motivation