diff --git a/src/drivers/fluid_jack.c b/src/drivers/fluid_jack.c
index 43f6203b..4eec1682 100644
--- a/src/drivers/fluid_jack.c
+++ b/src/drivers/fluid_jack.c
@@ -391,7 +391,7 @@ fluid_jack_client_close (fluid_jack_client_t *client_ref, void *driver)
 
   if (client_ref->audio_driver || client_ref->midi_driver)
   {
-    g_usleep (100000);  /* FIXME - Hack to make sure that resources don't get freed while Jack callback is active */
+    fluid_msleep(100);  /* FIXME - Hack to make sure that resources don't get freed while Jack callback is active */
     return;
   }
 
diff --git a/src/midi/fluid_midi.c b/src/midi/fluid_midi.c
index 6fb98f95..bbe3fb7a 100644
--- a/src/midi/fluid_midi.c
+++ b/src/midi/fluid_midi.c
@@ -1823,11 +1823,7 @@ fluid_player_join(fluid_player_t *player)
     } else if (player->sample_timer) {
         /* Busy-wait loop, since there's no thread to wait for... */
         while (player->status != FLUID_PLAYER_DONE) {
-#if defined(WIN32)
-            Sleep(10);
-#else
-            usleep(10000);
-#endif
+            fluid_msleep(10);
         }
     }
     return FLUID_OK;
diff --git a/src/utils/fluid_sys.c b/src/utils/fluid_sys.c
index 41d102c5..226035d1 100644
--- a/src/utils/fluid_sys.c
+++ b/src/utils/fluid_sys.c
@@ -344,6 +344,15 @@ fluid_is_soundfont(const char *filename)
   return strncmp(id, "RIFF", 4) == 0;
 }
 
+/**
+ * Suspend the execution of the current thread for the specified amount of time.
+ * @param milliseconds to wait.
+ */
+void fluid_msleep(unsigned int msecs)
+{
+  g_usleep(msecs * 1000);
+}
+
 /**
  * Get time in milliseconds to be used in relative timing operations.
  * @return Unix time in milliseconds.
@@ -692,7 +701,7 @@ fluid_timer_run (void *data)
        two callbacks bringing in the "absolute" time (count *
        timer->msec) */
     delay = (count * timer->msec) - (fluid_curtime() - start);
-    if (delay > 0) g_usleep (delay * 1000);
+    if (delay > 0) fluid_msleep(delay);
   }
 
   FLUID_LOG (FLUID_DBG, "Timer thread finished");
diff --git a/src/utils/fluid_sys.h b/src/utils/fluid_sys.h
index d86d17ae..44ef3e02 100644
--- a/src/utils/fluid_sys.h
+++ b/src/utils/fluid_sys.h
@@ -460,4 +460,7 @@ extern fluid_profile_data_t fluid_profile_data[];
 unsigned int fluid_check_fpe_i386(char * explanation_in_case_of_fpe);
 void fluid_clear_fpe_i386(void);
 
+/* System control */
+void fluid_msleep(unsigned int msecs);
+
 #endif /* _FLUID_SYS_H */