diff --git a/docs/reference/gtk/gtk3-sections.txt b/docs/reference/gtk/gtk3-sections.txt
index fd7c85ab41..d8688da01a 100644
--- a/docs/reference/gtk/gtk3-sections.txt
+++ b/docs/reference/gtk/gtk3-sections.txt
@@ -3541,6 +3541,7 @@ gtk_status_icon_get_type
 <TITLE>GtkLevelBar</TITLE>
 GTK_LEVEL_BAR_OFFSET_LOW
 GTK_LEVEL_BAR_OFFSET_HIGH
+GTK_LEVEL_BAR_OFFSET_FULL
 GtkLevelBarMode
 GtkLevelBar
 gtk_level_bar_new
diff --git a/gtk/gtklevelbar.c b/gtk/gtklevelbar.c
index 7b50585da5..5661e0269f 100644
--- a/gtk/gtklevelbar.c
+++ b/gtk/gtklevelbar.c
@@ -29,9 +29,10 @@
  *
  * Use gtk_level_bar_set_value() to set the current value, and
  * gtk_level_bar_add_offset_value() to set the value offsets at which
- * the bar will be considered in a different state. GTK will add two offsets
- * by default on the level bar: #GTK_LEVEL_BAR_OFFSET_LOW and
- * #GTK_LEVEL_BAR_OFFSET_HIGH, with values 0.25 and 0.75 respectively.
+ * the bar will be considered in a different state. GTK will add a few
+ * offsets by default on the level bar: #GTK_LEVEL_BAR_OFFSET_LOW,
+ * #GTK_LEVEL_BAR_OFFSET_HIGH and #GTK_LEVEL_BAR_OFFSET_FULL, with
+ * values 0.25, 0.75 and 1.0 respectively.
  *
  * ## Adding a custom offset on the bar
  *
@@ -1146,7 +1147,7 @@ gtk_level_bar_init (GtkLevelBar *self)
 
   gtk_level_bar_ensure_offset (self, GTK_LEVEL_BAR_OFFSET_LOW, 0.25);
   gtk_level_bar_ensure_offset (self, GTK_LEVEL_BAR_OFFSET_HIGH, 0.75);
-  gtk_level_bar_ensure_offset (self, "full", 1.0);
+  gtk_level_bar_ensure_offset (self, GTK_LEVEL_BAR_OFFSET_FULL, 1.0);
 
   priv->block_gadget = NULL;
   priv->n_blocks = 0;
diff --git a/gtk/gtklevelbar.h b/gtk/gtklevelbar.h
index aab7064fa6..77c1693b7b 100644
--- a/gtk/gtklevelbar.h
+++ b/gtk/gtklevelbar.h
@@ -54,6 +54,15 @@ G_BEGIN_DECLS
  */
 #define GTK_LEVEL_BAR_OFFSET_HIGH "high"
 
+/**
+ * GTK_LEVEL_BAR_OFFSET_FULL:
+ *
+ * The name used for the stock full offset included by #GtkLevelBar.
+ *
+ * Since: 3.20
+ */
+#define GTK_LEVEL_BAR_OFFSET_FULL "full"
+
 typedef struct _GtkLevelBarClass   GtkLevelBarClass;
 typedef struct _GtkLevelBar        GtkLevelBar;
 typedef struct _GtkLevelBarPrivate GtkLevelBarPrivate;