diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8d18969fc1ac..f30ed9fcf25b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -48,6 +48,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### Bug Fixes
 
+* (baseapp) [#13983](https://github.com/cosmos/cosmos-sdk/pull/13983) Don't emit duplicate ante-handler events when a post-handler is defined.
 * (baseapp) [#14049](https://github.com/cosmos/cosmos-sdk/pull/14049) Fix state sync when interval is zero.
 
 ## [v0.46.6](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.46.6) - 2022-11-18
diff --git a/baseapp/baseapp.go b/baseapp/baseapp.go
index 448ef792fd05..5506aa534954 100644
--- a/baseapp/baseapp.go
+++ b/baseapp/baseapp.go
@@ -721,7 +721,12 @@ func (app *BaseApp) runTx(mode runTxMode, txBytes []byte) (gInfo sdk.GasInfo, re
 		//
 		// Note: If the postHandler fails, we also revert the runMsgs state.
 		if app.postHandler != nil {
-			newCtx, err := app.postHandler(runMsgCtx, tx, mode == runTxModeSimulate)
+			// The runMsgCtx context currently contains events emitted by the ante handler.
+			// We clear this to correctly order events without duplicates.
+			// Note that the state is still preserved.
+			postCtx := runMsgCtx.WithEventManager(sdk.NewEventManager())
+
+			newCtx, err := app.postHandler(postCtx, tx, mode == runTxModeSimulate)
 			if err != nil {
 				return gInfo, nil, nil, priority, err
 			}