diff --git a/src/apps/deskcalc/CalcOptionsWindow.cpp b/src/apps/deskcalc/CalcOptionsWindow.cpp
index 5175d814b1..964e4e8b8b 100644
--- a/src/apps/deskcalc/CalcOptionsWindow.cpp
+++ b/src/apps/deskcalc/CalcOptionsWindow.cpp
@@ -19,7 +19,7 @@
 
 
 CalcOptions::CalcOptions()
-	: auto_num_lock(true),
+	: auto_num_lock(false),
 	  audio_feedback(false),
 	  show_keypad(true)
 {