-# Putting header files in the source directory is not the purpose of this INCLUDES variable
-INCLUDES := $(INCLUDES) -I$(LIBRARY_PATH)
-CFLAGS := $(CFLAGS) $(CFLAGS_LTO) $(WARN_FLAGS) $(STD_FLAG) $(OPTI_FLAG) $(DEBUG_FLAG) $(INCLUDES)
+# Putting header files in the source directory is not the purpose of this INCLUDES_PATH variable
+INCLUDES_PATH := $(INCLUDES_PATH) -I$(LIBRARY_PATH)
+CFLAGS := $(CFLAGS) $(CFLAGS_LTO) $(WARN_FLAGS) $(STD_FLAG) $(OPTI_FLAG) $(DEBUG_FLAG) $(INCLUDES_PATH)