diff --git a/extern/imgui/CMakeLists.txt b/extern/imgui/CMakeLists.txt
index c0a2ce5..b170ed7 100644
--- a/extern/imgui/CMakeLists.txt
+++ b/extern/imgui/CMakeLists.txt
@@ -16,4 +16,5 @@ add_library(imgui
 	src/imstb_textedit.h
 	src/imstb_truetype.h)
 target_include_directories(imgui PUBLIC include PRIVATE src)
-target_link_libraries(imgui PUBLIC SDL2::Core glad)
\ No newline at end of file
+target_link_libraries(imgui PUBLIC SDL2::Core glad)
+target_compile_definitions(imgui PUBLIC IMGUI_IMPL_OPENGL_LOADER_GLAD)
\ No newline at end of file
diff --git a/include/octree.h b/include/octree.h
index fceb75b..c6758cf 100644
--- a/include/octree.h
+++ b/include/octree.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <memory>
+
 #include "aabb.h"
 
 constexpr int max_contained_types = 16;