diff --git a/src/aare/gui/widgets/message_box.py b/src/aare/gui/widgets/message_box.py
index 02d8ae01..34ef3db6 100644
--- a/src/aare/gui/widgets/message_box.py
+++ b/src/aare/gui/widgets/message_box.py
@@ -58,7 +58,7 @@ def ring_current_low_check(parent, ring_current) -> bool:
         too_low = ring_current < LOW_CURRENT_THRESHOLD
         if too_low:
             rc = round(ring_current, 2)
-            logger.debug(f"Ring current low {rc}")
+            logger.debug(f"Ring current low {rc} mA")
             msg = f"Ring current is low: {rc} mA."
         else:
             logger.debug(f"Ring current: {round(ring_current, 2)} mA")