#define SCM_THREADP(x) SCM_TYP16_PREDICATE (scm_tc16_thread, x)
#define SCM_THREAD_DATA(x) ((void *) SCM_CELL_WORD_1 (x))
-#define SCM_MUTEXP(x) SCM_TYP16_PREDICATE (scm_tc16_mutex, x))
+#define SCM_MUTEXP(x) SCM_TYP16_PREDICATE (scm_tc16_mutex, x)
#define SCM_MUTEX_DATA(x) ((void *) SCM_CELL_WORD_1 (x))
#define SCM_CONDVARP(x) SCM_TYP16_PREDICATE (scm_tc16_condvar, x)