diff --git a/apps/essimporter/convertacdt.cpp b/apps/essimporter/convertacdt.cpp
index d9823a6c2a..defdab8a1a 100644
--- a/apps/essimporter/convertacdt.cpp
+++ b/apps/essimporter/convertacdt.cpp
@@ -48,8 +48,8 @@ namespace ESSImport
         for (int i = 0; i < ESM::Skill::Length; ++i)
         {
             npcStats.mSkills[i].mMod = 0.f;
-            npcStats.mSkills[i].mCurrent = actorData.mSkills[i][1];
-            npcStats.mSkills[i].mBase = actorData.mSkills[i][0];
+            npcStats.mSkills[i].mCurrent = static_cast<float>(actorData.mSkills[i][1]);
+            npcStats.mSkills[i].mBase = static_cast<float>(actorData.mSkills[i][0]);
         }
 
         npcStats.mTimeToStartDrowning = actorData.mACDT.mBreathMeter;
diff --git a/apps/essimporter/converter.cpp b/apps/essimporter/converter.cpp
index d439552d53..3e6b293f2c 100644
--- a/apps/essimporter/converter.cpp
+++ b/apps/essimporter/converter.cpp
@@ -18,7 +18,7 @@
 namespace
 {
 
-    void convertImage(char* data, int size, int width, int height, GLenum pf, const std::string& out)
+    void convertImage(char* data, size_t size, int width, int height, GLenum pf, const std::string& out)
     {
         osg::ref_ptr<osg::Image> image(new osg::Image);
         image->allocateImage(width, height, 1, pf, GL_UNSIGNED_BYTE);