diff --git a/visor.c b/visor.c
index 9e5e2f3..ff036c7 100644
--- a/visor.c
+++ b/visor.c
@@ -203,7 +203,7 @@ void color_lookup(int *r, int *g, int *b, double mu)
 void print_usage(FILE *stream);
 static void app_activate(GApplication *app);
 
-void draw_plane(GtkDrawingArea *da, cairo_t *cr, int width, int height, gpointer data);
+void blit_plane(GtkDrawingArea *da, cairo_t *cr, int width, int height, gpointer data);
 void plane_resize(GtkWidget *widget);
 void create_surface(GtkWidget *widget);
 
@@ -324,7 +324,7 @@ static void app_activate(GApplication *app)
 	gtk_widget_set_hexpand(GTK_WIDGET(da), true);
 	gtk_drawing_area_set_content_width(GTK_DRAWING_AREA(da), 300);
 	gtk_drawing_area_set_content_height(GTK_DRAWING_AREA(da), 200);
-	gtk_drawing_area_set_draw_func(GTK_DRAWING_AREA(da), draw_plane, NULL, NULL);
+	gtk_drawing_area_set_draw_func(GTK_DRAWING_AREA(da), blit_plane, NULL, NULL);
 	g_signal_connect(da, "resize", G_CALLBACK(plane_resize), NULL);
 
 	// TODO: implement later drag = gtk_gesture_drag_new();
@@ -336,7 +336,7 @@ static void app_activate(GApplication *app)
 	gtk_window_present(GTK_WINDOW(win));
 }
 
-void draw_plane(GtkDrawingArea *da, cairo_t *cr, int width, int height, gpointer data)
+void blit_plane(GtkDrawingArea *da, cairo_t *cr, int width, int height, gpointer data)
 {
 	(void) da;
 	(void) width;