diff -r 1391ba7e533f -r 29c19fcae088 ui/common/args.c
--- a/ui/common/args.c	Tue Oct 07 15:42:18 2025 +0200
+++ b/ui/common/args.c	Wed Oct 08 07:53:57 2025 +0200
@@ -907,11 +907,11 @@
 }
 
 void ui_tabview_args_set_margin_top(UiTabViewArgs *args, int value) {
-    args->margin_top;
+    args->margin_top = value;
 }
 
 void ui_tabview_args_set_margin_bottom(UiTabViewArgs *args, int value) {
-    args->margin_bottom;
+    args->margin_bottom = value;
 }
 
 void ui_tabview_args_set_padding(UiTabViewArgs *args, int value) {
@@ -2367,7 +2367,7 @@
 }
 
 void ui_spinbox_args_set_digits(UiSpinBoxArgs *args, int digits) {
-    args->digits;
+    args->digits = digits;
 }
 
 void ui_spinbox_args_set_varname(UiSpinBoxArgs *args, const char *varname) {