diff --git a/ExampleModules.nix b/ExampleModules.nix
index 27af0b0..eb52b08 100644
--- a/ExampleModules.nix
+++ b/ExampleModules.nix
@@ -273,7 +273,7 @@
                 modules/ClientModule/src/*.cpp \
                 -I ${pkgs.gamenetworkingsockets}/include/GameNetworkingSockets \
                 -lGameNetworkingSockets \
-                -DCLIENTMODULE_DYNAMIC \
+                -DCHATCLIENT_DYNAMIC \
                 modules/WindowModule/src/*.cpp \
                 modules/ImguiModule/src/*.cpp \
                 $imgui/backends/imgui_impl_glfw.cpp \