1 files changed, 1 insertions, 1 deletions
diff --git a/docs/contracts.rst b/docs/contracts.rst
index b73fe2ca..00ef3fc6 100644
--- a/docs/contracts.rst
+++ b/docs/contracts.rst
@@ -802,7 +802,7 @@ as topics. The event call above can be performed in the same way as
             log3(
                 bytes32(msg.value),
                 bytes32(0x50cb9fe53daa9737b786ab3646f04d0150dc50ef4e75f59509d83667ad5adb20),
-                bytes32(msg.sender),
+                bytes32(uint256(msg.sender)),
                 _id
             );
         }