diff --git a/src/detect-engine-loader.c b/src/detect-engine-loader.c
index c85265ea45..f88cc99850 100644
--- a/src/detect-engine-loader.c
+++ b/src/detect-engine-loader.c
@@ -268,7 +268,7 @@ void DetectLoaderThreadSpawn()
     for (i = 0; i < num_loaders; i++) {
         ThreadVars *tv_loader = NULL;
 
-        char name[TM_THREAD_NAME_MAX] = "";
+        char name[TM_THREAD_NAME_MAX];
         snprintf(name, sizeof(name), "%s#%02d", thread_name_detect_loader, i+1);
 
         tv_loader = TmThreadCreateCmdThreadByName(name,
diff --git a/src/flow-manager.c b/src/flow-manager.c
index b204966e46..aa13e7225f 100644
--- a/src/flow-manager.c
+++ b/src/flow-manager.c
@@ -738,7 +738,7 @@ void FlowManagerThreadSpawn()
     {
         ThreadVars *tv_flowmgr = NULL;
 
-        char name[TM_THREAD_NAME_MAX] = "";
+        char name[TM_THREAD_NAME_MAX];
         snprintf(name, sizeof(name), "%s#%02u", thread_name_flow_mgr, u+1);
 
         tv_flowmgr = TmThreadCreateMgmtThreadByName(name,
@@ -902,7 +902,7 @@ void FlowRecyclerThreadSpawn()
     {
         ThreadVars *tv_flowmgr = NULL;
 
-        char name[TM_THREAD_NAME_MAX] = "";
+        char name[TM_THREAD_NAME_MAX];
         snprintf(name, sizeof(name), "%s#%02u", thread_name_flow_rec, u+1);
 
         tv_flowmgr = TmThreadCreateMgmtThreadByName(name,