diff --git a/components/esm4/loadrace.hpp b/components/esm4/loadrace.hpp
index 9cd4d00891..125fefbd9f 100644
--- a/components/esm4/loadrace.hpp
+++ b/components/esm4/loadrace.hpp
@@ -110,7 +110,7 @@ namespace ESM4
         ESM::FormId mId; // from the header
         std::uint32_t mFlags; // from the header, see enum type RecordFlag for details
 
-        bool mIsTES5;
+        bool mIsTES5 = false;
 
         std::string mEditorId;
         std::string mFullName;
diff --git a/components/nif/controller.hpp b/components/nif/controller.hpp
index 33c04a6d35..947fae1ab2 100644
--- a/components/nif/controller.hpp
+++ b/components/nif/controller.hpp
@@ -171,7 +171,7 @@ namespace Nif
         };
 
         NiPosDataPtr mData;
-        TargetColor mTargetColor;
+        TargetColor mTargetColor = TargetColor::Ambient;
 
         void read(NIFStream* nif) override;
         void post(Reader& nif) override;