diff --git a/src/detect-engine-hcbd.c b/src/detect-engine-hcbd.c
index caa9b9b8c6..00c2519a56 100644
--- a/src/detect-engine-hcbd.c
+++ b/src/detect-engine-hcbd.c
@@ -513,6 +513,10 @@ void DetectEngineCleanHCBDBuffers(DetectEngineThreadCtx *det_ctx)
             SCFree(det_ctx->hcbd_buffers);
             det_ctx->hcbd_buffers = NULL;
         }
+        if (det_ctx->hcbd_buffers_len != NULL) {
+            SCFree(det_ctx->hcbd_buffers_len);
+            det_ctx->hcbd_buffers_len = NULL;
+        }
         det_ctx->hcbd_buffers_list_len = 0;
     }
 
diff --git a/src/detect-engine-hhd.c b/src/detect-engine-hhd.c
index 29cc73c537..9cbb7d3869 100644
--- a/src/detect-engine-hhd.c
+++ b/src/detect-engine-hhd.c
@@ -476,6 +476,10 @@ void DetectEngineCleanHHDBuffers(DetectEngineThreadCtx *det_ctx)
             SCFree(det_ctx->hhd_buffers);
             det_ctx->hhd_buffers = NULL;
         }
+        if (det_ctx->hhd_buffers_len != NULL) {
+            SCFree(det_ctx->hhd_buffers_len);
+            det_ctx->hhd_buffers_len = NULL;
+        }
         det_ctx->hhd_buffers_list_len = 0;
     }