diff --git a/sch2fig/dwg.c b/sch2fig/dwg.c
index 2298a96..08fa64a 100644
--- a/sch2fig/dwg.c
+++ b/sch2fig/dwg.c
@@ -11,6 +11,7 @@
  */
 
 
+#define	_GNU_SOURCE	/* for asprintf */
 #include <stdbool.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -116,6 +117,7 @@ void dwg_glabel(int x, int y, const char *s, int dir, int dim,
 	enum box_type box;
 	int dx, shift_flat, shift_tip;
 	bool anchor_right = 1;
+	char *tag;
 
 	switch (shape) {
 	case dwg_unspec:
@@ -232,6 +234,9 @@ void dwg_glabel(int x, int y, const char *s, int dir, int dim,
 	vx[0] = vx[n - 1];
 	vy[0] = vy[n - 1];
 	gfx_poly(n, vx, vy, COLOR_GLABEL, COLOR_NONE, LAYER_GLABEL);
+
+	if (asprintf(&tag, "G:%s", s)) {}
+	gfx_tag(tag, n, vx, vy);
 }