diff --git a/harbour/ChangeLog b/harbour/ChangeLog
index 940105eea5..f9edf74e50 100644
--- a/harbour/ChangeLog
+++ b/harbour/ChangeLog
@@ -17,6 +17,11 @@
    past entries belonging to author(s): Viktor Szakats.
 */
 
+2009-11-18 18:40 UTC+0100 Przemyslaw Czerpak (druzus/at/priv.onet.pl)
+  * harbour/src/vm/dlmalloc.c
+    ! added workaround for unnecessary checking results of function which
+      always have to success
+
 2009-11-18 16:33 UTC+0100 Przemyslaw Czerpak (druzus/at/priv.onet.pl)
   * harbour/include/hbthread.h
      * minor cleanup in comment
diff --git a/harbour/src/vm/dlmalloc.c b/harbour/src/vm/dlmalloc.c
index 6077546982..c6bc678e09 100644
--- a/harbour/src/vm/dlmalloc.c
+++ b/harbour/src/vm/dlmalloc.c
@@ -1412,9 +1412,15 @@ static int win32munmap(void* ptr, size_t size) {
 
 #ifdef HB_SPINLOCK_USE
 
+static int spin_acquire_lock( HB_SPINLOCK_T *l )
+{
+   HB_SPINLOCK_ACQUIRE( l );
+   return 0;
+}
+
 #define MLOCK_T HB_SPINLOCK_T
 #define INITIAL_LOCK(l)      *(l)=HB_SPINLOCK_INIT
-#define ACQUIRE_LOCK(l)      HB_SPINLOCK_ACQUIRE(l)
+#define ACQUIRE_LOCK(l)      spin_acquire_lock(l)
 #define RELEASE_LOCK(l)      HB_SPINLOCK_RELEASE(l)
 #define MLOCK_INIT           HB_SPINLOCK_INIT