diff --git a/.changelog/unreleased/bug-fixes/353-channel-open-confirm-fix.md b/.changelog/unreleased/bug-fixes/353-channel-open-confirm-fix.md
new file mode 100644
index 000000000..1027abb69
--- /dev/null
+++ b/.changelog/unreleased/bug-fixes/353-channel-open-confirm-fix.md
@@ -0,0 +1,2 @@
+- Fix ChanOpenConfirm handler check of counterparty state
+  ([#353](https://github.com/cosmos/ibc-rs/issues/353))
\ No newline at end of file
diff --git a/crates/ibc/src/core/ics04_channel/handler/chan_open_confirm.rs b/crates/ibc/src/core/ics04_channel/handler/chan_open_confirm.rs
index 4eef3fe54..94fc45443 100644
--- a/crates/ibc/src/core/ics04_channel/handler/chan_open_confirm.rs
+++ b/crates/ibc/src/core/ics04_channel/handler/chan_open_confirm.rs
@@ -68,7 +68,7 @@ pub(crate) fn process<Ctx: ChannelReader>(
         }
 
         let expected_chan_end_on_a = ChannelEnd::new(
-            State::Init,
+            State::Open,
             *chan_end_on_b.ordering(),
             Counterparty::new(msg.port_id_on_b.clone(), None),
             vec![conn_id_on_a.clone()],