diff --git a/sys/cbor/cbor.c b/sys/cbor/cbor.c
index 4730c378ba..2061fff908 100644
--- a/sys/cbor/cbor.c
+++ b/sys/cbor/cbor.c
@@ -26,7 +26,7 @@
 
 /* Automatically enable/disable ENABLE_DEBUG based on CBOR_NO_PRINT */
 #ifndef CBOR_NO_PRINT
-#define ENABLE_DEBUG 1
+#define ENABLE_DEBUG (1)
 #include "debug.h"
 #endif