diff --git a/flake.nix b/flake.nix
index c375d7e..978f5da 100755
--- a/flake.nix
+++ b/flake.nix
@@ -130,8 +130,7 @@
                     $imgui/*.cpp \
                     -DRENDERER_OPENGL \
                     -DWINDOW_GLFW \
-                    -DGUIMODULE \
-                    -DIMGUIMODULE_DYNAMIC \
+                    -DMAINGUI_DYNAMIC \
                     -fpic -shared \
                     -I src -I include -I $imgui -I . \
                     -lGL -lglfw -lGLEW \