diff --git a/src/detect-engine.c b/src/detect-engine.c
index 5131cb93eb..917855b551 100644
--- a/src/detect-engine.c
+++ b/src/detect-engine.c
@@ -2490,6 +2490,9 @@ static void DetectEngineThreadCtxFree(DetectEngineThreadCtx *det_ctx)
         DetectEngineDeReference(&det_ctx->de_ctx);
 #endif
     }
+
+    AppLayerDecoderEventsFreeEvents(&det_ctx->decoder_events);
+
     SCFree(det_ctx);
 }