diff --git a/code/MDL/HalfLife/HL1MDLLoader.cpp b/code/MDL/HalfLife/HL1MDLLoader.cpp
index f9029beee..e54927001 100644
--- a/code/MDL/HalfLife/HL1MDLLoader.cpp
+++ b/code/MDL/HalfLife/HL1MDLLoader.cpp
@@ -80,12 +80,16 @@ HL1MDLLoader::HL1MDLLoader(
     buffer_(buffer),
     file_path_(file_path),
     import_settings_(import_settings),
+    header_(nullptr),
+    texture_header_(nullptr),
     anim_headers_(nullptr),
     texture_buffer_(nullptr),
     anim_buffers_(nullptr),
     num_sequence_groups_(0),
     rootnode_children_(),
     unique_name_generator_(),
+    unique_sequence_names_(),
+    unique_sequence_groups_names_(),
     temp_bones_(),
     num_blend_controllers_(0),
     total_models_(0) {