diff --git a/.changelog/unreleased/bug-fixes/ibc-relayer-cli/3697-fix-evidence-report.md b/.changelog/unreleased/bug-fixes/ibc-relayer-cli/3697-fix-evidence-report.md
new file mode 100644
index 0000000000..232aa6c15a
--- /dev/null
+++ b/.changelog/unreleased/bug-fixes/ibc-relayer-cli/3697-fix-evidence-report.md
@@ -0,0 +1,4 @@
+- Fix a bug in the `evidence` command which would sometimes
+  prevent the detected misbehaviour evidence from being submitted,
+  instead erroring out with a validator set hash mismatch.
+  ([\#3697](https://github.com/informalsystems/hermes/pull/3697))
diff --git a/crates/relayer/src/light_client/tendermint.rs b/crates/relayer/src/light_client/tendermint.rs
index a0f1a111e6..1927b0558e 100644
--- a/crates/relayer/src/light_client/tendermint.rs
+++ b/crates/relayer/src/light_client/tendermint.rs
@@ -173,7 +173,8 @@ impl super::LightClient<CosmosSdkChain> for LightClient {
             provider: self.peer_id,
         };
 
-        let trusted_block = self.fetch(update_header.trusted_height)?;
+        // Get the light block at trusted_height + 1 from chain.
+        let trusted_block = self.fetch(update_header.trusted_height.increment())?;
         if trusted_block.validators.hash() != update_header.trusted_validator_set.hash() {
             return Err(Error::misbehaviour(format!(
                 "mismatch between the trusted validator set of the update \