diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1dbb118..c8604e3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,9 +26,9 @@ add_cxx_flag("-std=gnu++17")
 
 if(CMAKE_BUILD_TYPE STREQUAL "Debug")
   add_cxx_flag("-g")
-  add_definitions(-DETHOS_ASSERTIONS)
-  add_definitions(-DETHOS_DEBUG)
-  add_definitions(-DETHOS_TRACING)
+  add_definitions(-DEO_ASSERTIONS)
+  add_definitions(-DEO_DEBUG)
+  add_definitions(-DEO_TRACING)
   message(STATUS "Configured debug build.")
 elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
   message(STATUS "Configured release build.")