diff --git a/include/empthread.h b/include/empthread.h
index 22b8e836..4b3144e9 100644
--- a/include/empthread.h
+++ b/include/empthread.h
@@ -112,7 +112,7 @@ typedef struct empth_rwlock_t empth_rwlock_t;
 
 typedef struct loc_Thread empth_t;
 typedef struct loc_Sem empth_sem_t;
-typedef struct loc_RWLock_t empth_rwlock_t;
+typedef struct loc_RWLock empth_rwlock_t;
 
 void empth_request_shutdown(void);
 #endif /* EMPTH_W32 */
diff --git a/src/lib/empthread/ntthread.c b/src/lib/empthread/ntthread.c
index 88192db0..dd2e45df 100644
--- a/src/lib/empthread/ntthread.c
+++ b/src/lib/empthread/ntthread.c
@@ -109,7 +109,7 @@ struct loc_Sem {
 };
 
 /************************
- * loc_RWLock_t
+ * loc_RWLock
  *
  * Invariants
  *	must hold at function call, return, sleep
@@ -147,7 +147,7 @@ struct loc_Sem {
  * thread changing it holds hThreadMutex.
  *
  */
-struct loc_RWLock_t {
+struct loc_RWLock {
     char name[17];	/* The thread name, passed in at create time. */
     HANDLE can_read;	/* Manual event -- allows read locks */
     HANDLE can_write;	/* Auto-reset event -- allows write locks */