diff --git a/Project.xml b/Project.xml
index 7b87057dda..22a89ccf0c 100644
--- a/Project.xml
+++ b/Project.xml
@@ -194,9 +194,9 @@
   <!-- Defines whether the file system can be read/written directly. Does not work in browser. -->
   <haxedef name="FEATURE_FILESYSTEM" if="desktop" />
   <!-- Defines whether Lua Modcharts should be enabled. Only works on Windows. -->
-  <haxedef name="FEATURE_LUAMODCHART" if="windows" />
+  <haxedef name="FEATURE_LUAMODCHART" if="desktop" />
   <!-- Defines whether WebM videos should be enabled. Currently only enabled on Windows. -->
-  <haxedef name="FEATURE_WEBM" if="windows" />
+  <haxedef name="FEATURE_WEBM" if="cpp" />
   <!-- Defines whether StepMania files can be loaded. -->
   <haxedef name="FEATURE_STEPMANIA" if="desktop" />
   <!-- Defines whether the Thread class can be used. -->