diff --git a/soft/thermostat/src/edit_prog_dlg.cpp b/soft/thermostat/src/edit_prog_dlg.cpp
index 4e17dc7..e2393f7 100644
--- a/soft/thermostat/src/edit_prog_dlg.cpp
+++ b/soft/thermostat/src/edit_prog_dlg.cpp
@@ -21,7 +21,7 @@
 #include "edit_prog_dlg.h"
 
 #define SPIN_ARROW_W 75
-#define SPIN_ARROW_H 50
+#define SPIN_ARROW_H 25
 #define SPIN_FONT_SZ 20
 
 #define NB_DoW 7