diff --git a/src/defrag-config.c b/src/defrag-config.c
index 5bc4be36b6..a1e1b4f94a 100644
--- a/src/defrag-config.c
+++ b/src/defrag-config.c
@@ -160,3 +160,11 @@ void DefragPolicyLoadFromConfig(void)
         }
     }
 }
+
+void DefragTreeDestroy(void)
+{
+    if (defrag_tree != NULL) {
+        SCRadixReleaseRadixTree(defrag_tree);
+    }
+    defrag_tree = NULL;
+}
diff --git a/src/defrag-config.h b/src/defrag-config.h
index a6c086ff03..08abd00b9c 100644
--- a/src/defrag-config.h
+++ b/src/defrag-config.h
@@ -28,5 +28,6 @@
 void DefragSetDefaultTimeout(intmax_t timeout);
 void DefragPolicyLoadFromConfig(void);
 int DefragPolicyGetHostTimeout(Packet *p);
+void DefragTreeDestroy(void);
 
 #endif /* DEFRAG_CONFIG_H_ */
diff --git a/src/defrag.c b/src/defrag.c
index 1d86c44868..484a0994d6 100644
--- a/src/defrag.c
+++ b/src/defrag.c
@@ -978,6 +978,7 @@ void DefragDestroy(void)
     DefragHashShutdown();
     DefragContextDestroy(defrag_context);
     defrag_context = NULL;
+    DefragTreeDestroy();
 }
 
 #ifdef UNITTESTS