diff --git a/doc/src/api/lua_c/flow/flow.lua b/doc/src/api/lua_c/flow/flow.lua
index c1e1cba985..bde966ff6d 100644
--- a/doc/src/api/lua_c/flow/flow.lua
+++ b/doc/src/api/lua_c/flow/flow.lua
@@ -2,11 +2,15 @@
 --! @return the flow status bitmap
 function flow.getStatus()
 
---! @brief Sets a bit into the flow status
+--! @brief Set a bit into the flow status
 --! @param status_bit the status bit to set, see flow_consts.lua
 --! @note This is used to indicate that the Flow has a possible problem.
 function flow.setStatus(status_bit)
 
+--! @brief Clear a bit into the flow status
+--! @param status_bit the status bit to clear, see flow_consts.lua
+function flow.clearStatus(status_bit)
+
 --! @brief Sets a bit into the flow status and possibly trigger an alert
 --! @param status_bit the flow status bit to set
 --! @param alert_json an optional string message or json to store into the alert
diff --git a/include/Bitmap.h b/include/Bitmap.h
index 1a3b3091d4..acefe2aef8 100644
--- a/include/Bitmap.h
+++ b/include/Bitmap.h
@@ -33,6 +33,7 @@ public:
 
   inline void reset()               { bitmap = 0; }
   inline void setBit(u_int8_t id)   { bitmap = Utils::bitmapSet(bitmap, id);  }
+  inline void clearBit(u_int8_t id) { bitmap = Utils::bitmapClear(bitmap, id);}
   inline bool issetBit(u_int8_t id) { return(Utils::bitmapIsSet(bitmap, id)); }
   inline void bitmapOr(Bitmap b)    { bitmap |= b.bitmap;                     }
   inline u_int64_t get()            { return(bitmap);                         }
diff --git a/include/Flow.h b/include/Flow.h
index 3e704a3ab8..d69116d0ac 100644
--- a/include/Flow.h
+++ b/include/Flow.h
@@ -255,7 +255,8 @@ class Flow : public GenericHashEntry {
   ~Flow();
 
   inline Bitmap getStatusBitmap()               { return(status_map);           }
-  inline void addStatus(FlowStatus status)      { status_map.setBit(status);    }
+  inline void setStatus(FlowStatus status)      { status_map.setBit(status);    }
+  inline void clearStatus(FlowStatus status)    { status_map.clearBit(status);  }
   FlowStatus getFlowStatus(Bitmap *status_map) const;
   void triggerAlert(AlertType atype, AlertLevel severity, const char*alert_json);
   inline void setAlertedStatus(FlowStatus status)      { alerted_status = status; };
diff --git a/scripts/callbacks/interface/flow/udp_unidirectional.lua b/scripts/callbacks/interface/flow/udp_unidirectional.lua
index f73e473fd9..2141c4790f 100644
--- a/scripts/callbacks/interface/flow/udp_unidirectional.lua
+++ b/scripts/callbacks/interface/flow/udp_unidirectional.lua
@@ -36,8 +36,10 @@ function script.hooks.all(params)
 
       -- Now check if the recipient isn't a broadcast/multicast address
       if(not(info["srv.broadmulticast"])) then
-	 flow.setStatus(flow_consts.status_types.status_udp_unidirectional.status_id)
+         -- TODO use flow.setStatus once #2950 is fixed
+         flow.triggerStatus(flow_consts.status_types.status_udp_unidirectional.status_id)
       end
+   -- else flow.clearStatus(flow_consts.status_types.status_udp_unidirectional.status_id)
    end
 end
 
diff --git a/src/LuaEngine.cpp b/src/LuaEngine.cpp
index 0a0f480f21..81ddb5fa3c 100644
--- a/src/LuaEngine.cpp
+++ b/src/LuaEngine.cpp
@@ -8625,7 +8625,25 @@ static int ntop_flow_set_status(lua_State* vm) {
   if(ntop_lua_check(vm, __FUNCTION__, 1, LUA_TNUMBER) != CONST_LUA_OK) return(CONST_LUA_ERROR);
   new_status = (FlowStatus)lua_tonumber(vm, 1);
 
-  f->addStatus(new_status);
+  f->setStatus(new_status);
+  lua_pushnil(vm);
+
+  return(CONST_LUA_OK);
+}
+
+/* ****************************************** */
+
+// ***API***
+static int ntop_flow_clear_status(lua_State* vm) {
+  FlowStatus new_status;
+  Flow *f = ntop_flow_get_context_flow(vm);
+
+  if(!f) return(CONST_LUA_ERROR);
+
+  if(ntop_lua_check(vm, __FUNCTION__, 1, LUA_TNUMBER) != CONST_LUA_OK) return(CONST_LUA_ERROR);
+  new_status = (FlowStatus)lua_tonumber(vm, 1);
+
+  f->clearStatus(new_status);
   lua_pushnil(vm);
 
   return(CONST_LUA_OK);
@@ -10234,6 +10252,7 @@ static const luaL_Reg ntop_flow_reg[] = {
   { "getStatus",                ntop_flow_get_status                 },
   { "isBlacklisted",            ntop_flow_is_blacklisted             },
   { "setStatus",                ntop_flow_set_status                 },
+  { "clearStatus",              ntop_flow_clear_status               },
   { "getInfo",                  ntop_flow_get_info                   },
   { "getFullInfo",              ntop_flow_get_full_info              },
   { "getUnicastInfo",           ntop_flow_get_unicast_info           },