diff --git a/fs/qnx6/Makefile b/fs/qnx6/Makefile
index 9dd0619..5e6bae6 100644
--- a/fs/qnx6/Makefile
+++ b/fs/qnx6/Makefile
@@ -5,3 +5,4 @@
 obj-$(CONFIG_QNX6FS_FS) += qnx6.o
 
 qnx6-objs := inode.o dir.o namei.o super_mmi.o
+ccflags-$(CONFIG_QNX6FS_DEBUG)	+= -DDEBUG