diff --git a/src/AIModel/AIAircraft.cxx b/src/AIModel/AIAircraft.cxx
index 3f1b08286..788cce894 100644
--- a/src/AIModel/AIAircraft.cxx
+++ b/src/AIModel/AIAircraft.cxx
@@ -78,6 +78,7 @@ FGAIAircraft::FGAIAircraft(FGAISchedule* ref) : /* HOT must be disabled for AI A
     tgt_speed = 0;
     speed = 0;
     groundTargetSpeed = 0;
+    spinCounter = 0;
 
     // set heading and altitude locks
     hdg_lock = false;
diff --git a/src/MultiPlayer/multiplaymgr.cxx b/src/MultiPlayer/multiplaymgr.cxx
index 8ac674fc6..97d4b876b 100644
--- a/src/MultiPlayer/multiplaymgr.cxx
+++ b/src/MultiPlayer/multiplaymgr.cxx
@@ -1034,6 +1034,7 @@ static bool do_cpdlc_disconnect(const SGPropertyNode* arg, SGPropertyNode* root)
 //////////////////////////////////////////////////////////////////////
 FGMultiplayMgr::FGMultiplayMgr()
 {
+  mPropertiesChanged = false;
   mInitialised   = false;
   mHaveServer    = false;
   mListener = NULL;