diff --git a/imnodes.cpp b/imnodes.cpp
index 7689cb1..e8bddb8 100644
--- a/imnodes.cpp
+++ b/imnodes.cpp
@@ -6,12 +6,8 @@
 // [SECTION] render helpers
 // [SECTION] API implementation
 
-#include "imnodes.h"
 #include "imnodes_internal.h"
 
-#define IMGUI_DEFINE_MATH_OPERATORS
-#include <imgui_internal.h>
-
 // Check minimum ImGui version
 #define MINIMUM_COMPATIBLE_IMGUI_VERSION 17400
 #if IMGUI_VERSION_NUM < MINIMUM_COMPATIBLE_IMGUI_VERSION
diff --git a/imnodes_internal.h b/imnodes_internal.h
index 593ab49..8cfb5d7 100644
--- a/imnodes_internal.h
+++ b/imnodes_internal.h
@@ -1,11 +1,11 @@
 #pragma once
 
-#include "imnodes.h"
-
-#include <imgui.h>
 #define IMGUI_DEFINE_MATH_OPERATORS
+#include <imgui.h>
 #include <imgui_internal.h>
 
+#include "imnodes.h"
+
 #include <limits.h>
 
 // the structure of this file: