diff --git a/imgui.cpp b/imgui.cpp
index d9aca86d..e25a754e 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -1065,8 +1065,8 @@ ImGuiIO::ImGuiIO()
     memset(this, 0, sizeof(*this));
 
     // Settings
-    ConfigFlags = 0x00;
-    BackendFlags = 0x00;
+    ConfigFlags = ImGuiConfigFlags_None;
+    BackendFlags = ImGuiBackendFlags_None;
     DisplaySize = ImVec2(-1.0f, -1.0f);
     DeltaTime = 1.0f/60.0f;
     IniSavingRate = 5.0f;
diff --git a/imgui.h b/imgui.h
index 7c20b68e..cefe190e 100644
--- a/imgui.h
+++ b/imgui.h
@@ -896,6 +896,7 @@ enum ImGuiNavInput_
 // Configuration flags stored in io.ConfigFlags. Set by user/application.
 enum ImGuiConfigFlags_
 {
+    ImGuiConfigFlags_None                   = 0,
     ImGuiConfigFlags_NavEnableKeyboard      = 1 << 0,   // Master keyboard navigation enable flag. NewFrame() will automatically fill io.NavInputs[] based on io.KeysDown[].
     ImGuiConfigFlags_NavEnableGamepad       = 1 << 1,   // Master gamepad navigation enable flag. This is mostly to instruct your imgui back-end to fill io.NavInputs[]. Back-end also needs to set ImGuiBackendFlags_HasGamepad.
     ImGuiConfigFlags_NavEnableSetMousePos   = 1 << 2,   // Instruct navigation to move the mouse cursor. May be useful on TV/console systems where moving a virtual mouse is awkward. Will update io.MousePos and set io.WantSetMousePos=true. If enabled you MUST honor io.WantSetMousePos requests in your binding, otherwise ImGui will react as if the mouse is jumping around back and forth.
@@ -911,6 +912,7 @@ enum ImGuiConfigFlags_
 // Back-end capabilities flags stored in io.BackendFlags. Set by imgui_impl_xxx or custom back-end.
 enum ImGuiBackendFlags_
 {
+    ImGuiBackendFlags_None                  = 0,
     ImGuiBackendFlags_HasGamepad            = 1 << 0,   // Back-end supports gamepad and currently has one connected.
     ImGuiBackendFlags_HasMouseCursors       = 1 << 1,   // Back-end supports honoring GetMouseCursor() value to change the OS cursor shape.
     ImGuiBackendFlags_HasSetMousePos        = 1 << 2    // Back-end supports io.WantSetMousePos requests to reposition the OS mouse position (only used if ImGuiConfigFlags_NavEnableSetMousePos is set).