diff --git a/CMakeLists.txt b/CMakeLists.txt
index f320646..bd71da6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -38,8 +38,12 @@ set(LIB_ROOT ${DEPENDENCIES_ROOT}/lib/${SYSTEM_LIB_PATH})
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LIB_ROOT}) #for SHARED
 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LIB_ROOT}) #for STATIC
 
+if(CMAKE_BUILD_TYPE MATCHES "Debug")
+        set(CPP_DEFINES -DRENDER_DEBUG)
+endif()
+
 add_library(${LIBRARY_NAME} STATIC ${LIB_SRC_LIST})
-add_definitions(-std=c++11)
+add_definitions(-std=c++11 ${CPP_DEFINES})
 
 include_directories(
 	${INCLUDE_ROOT}
diff --git a/glassert.h b/glassert.h
index 3153cca..4be8ad0 100644
--- a/glassert.h
+++ b/glassert.h
@@ -10,6 +10,7 @@
 #include <iostream>
 #include <cassert>
 
+#ifdef RENDER_DEBUG
 #define STR(x) #x
 #define glAssert(code) \
     code; \
@@ -19,6 +20,9 @@
     std::cerr<<"Erreur OpenGL ("<<__FILE__<<":"<<__LINE__<<", "<<STR(code)<<") : "<<(const char*)gluErrorString (err)<<"("<<err<<")"<<std::endl; \
     } \
 }
+#else
+#define glAssert(code) code;
+#endif
 
 #endif // GLASSERT