diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6d05aa9..c8454c9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,6 +16,7 @@ endif()
 message("Building ${EXECNAME} for: ${PLATFORM}")
 
 add_definitions(-DGP_DEBUG_CONFIG=0)
+add_definitions(-DNDEBUG=1)
 
 
 add_library(stb STATIC