diff --git a/packet-gsm_sim.c b/packet-gsm_sim.c
index 392786a..2f07249 100644
--- a/packet-gsm_sim.c
+++ b/packet-gsm_sim.c
@@ -951,7 +951,7 @@ dissect_gsm_apdu(guint8 cla, guint8 ins, guint8 p1, guint8 p2, guint8 p3,
 					l_ik = tvb_get_guint8(tvb, offset++);
 					proto_tree_add_item(tree, hf_auth_ik, tvb, offset, l_ik, ENC_NA);
 					offset += l_ik;
-					l_kc = tvb_Get_guint8(tvb, offset++);
+					l_kc = tvb_get_guint8(tvb, offset++);
 					proto_tree_add_item(tree, hf_auth_kc, tvb, offset, l_kc, ENC_NA);
 					offset += l_kc;
 					break;