diff --git a/apps/openmw/engine.cpp b/apps/openmw/engine.cpp
index fb7be22b24..181ebd822f 100644
--- a/apps/openmw/engine.cpp
+++ b/apps/openmw/engine.cpp
@@ -226,6 +226,7 @@ OMW::Engine::Engine(Files::ConfigurationManager& configurationManager)
   , mActivationDistanceOverride(-1)
   , mGrab(true)
   , mExportFonts(false)
+  , mRandomSeed(0)
   , mScriptContext (0)
   , mFSStrict (false)
   , mScriptBlacklistUse (true)
diff --git a/components/nifosg/controller.cpp b/components/nifosg/controller.cpp
index 934b3b914e..4029e9b158 100644
--- a/components/nifosg/controller.cpp
+++ b/components/nifosg/controller.cpp
@@ -311,10 +311,11 @@ void VisController::operator() (osg::Node* node, osg::NodeVisitor* nv)
 
 RollController::RollController(const Nif::NiFloatData *data)
     : mData(data->mKeyList, 1.f)
+    , mStartingTime(0)
 {
 }
 
-RollController::RollController()
+RollController::RollController() : mStartingTime(0)
 {
 }