diff --git a/pylgbst/peripherals.py b/pylgbst/peripherals.py
index abdcb9e..f7a1064 100644
--- a/pylgbst/peripherals.py
+++ b/pylgbst/peripherals.py
@@ -101,7 +101,7 @@ class Peripheral(object):
         if not async:
             log.debug("Waiting for sync command work to finish...")
             while self.in_progress():
-                time.sleep(0.5)
+                time.sleep(0.001)
             log.debug("Command has finished.")