diff --git a/demos/gtk-demo/spinbutton.c b/demos/gtk-demo/spinbutton.c
index 310715c1f4..17266b3a24 100644
--- a/demos/gtk-demo/spinbutton.c
+++ b/demos/gtk-demo/spinbutton.c
@@ -33,14 +33,14 @@ hex_spin_output (GtkSpinButton *spin_button)
 {
   GtkAdjustment *adjustment;
   gchar *buf;
-  gint val;
+  gdouble val;
 
   adjustment = gtk_spin_button_get_adjustment (spin_button);
-  val = (gint) gtk_adjustment_get_value (adjustment);
+  val = gtk_adjustment_get_value (adjustment);
   if (fabs (val) < 1e-5)
     buf = g_strdup ("0x00");
   else
-    buf = g_strdup_printf ("0x%.2X", val);
+    buf = g_strdup_printf ("0x%.2X", (gint) val);
   if (strcmp (buf, gtk_spin_button_get_text (spin_button)))
     gtk_spin_button_set_text (spin_button, buf);
   g_free (buf);
diff --git a/tests/testgtk.c b/tests/testgtk.c
index 626104bce3..7e5d683746 100644
--- a/tests/testgtk.c
+++ b/tests/testgtk.c
@@ -3240,14 +3240,14 @@ spin_button_hex_output_func (GtkSpinButton *spin_button)
 {
   GtkAdjustment *adjustment;
   static gchar buf[7];
-  gint val;
+  gdouble val;
 
   adjustment = gtk_spin_button_get_adjustment (spin_button);
-  val = (gint) gtk_adjustment_get_value (adjustment);
+  val = gtk_adjustment_get_value (adjustment);
   if (fabs (val) < 1e-5)
     sprintf (buf, "0x00");
   else
-    sprintf (buf, "0x%.2X", val);
+    sprintf (buf, "0x%.2X", (gint) val);
   if (strcmp (buf, gtk_spin_button_get_text (spin_button)))
     gtk_spin_button_set_text (spin_button, buf);