diff --git a/epan/dissectors/packet-asterix.c b/epan/dissectors/packet-asterix.c
index cdfb725b7b..c30293efa6 100644
--- a/epan/dissectors/packet-asterix.c
+++ b/epan/dissectors/packet-asterix.c
@@ -9,7 +9,7 @@ See tools/asterix/README.md for details.
 
 Data source:
 https://zoranbosnjak.github.io/asterix-specs
-git revision: cef694825c23c1e5212c360fe88209948f120b3f
+git revision: 797e57629827d0778a793e5200dc924640100fc9
 
 
 */
@@ -33147,7 +33147,7 @@ static void asterix_build_subtree (tvbuff_t *tvb, packet_info *pinfo, guint offs
                         break;
                     case FIELD_PART_CALLSIGN:
                         str_buffer = wmem_strdup_printf(
-                            wmem_packet_scope (),
+                            pinfo->pool,
                             "%c%c%c%c%c%c%c%c",
                             AISCode[(value >> 42) & 63],
                             AISCode[(value >> 36) & 63],
@@ -33161,7 +33161,7 @@ static void asterix_build_subtree (tvbuff_t *tvb, packet_info *pinfo, guint offs
                         break;
                     case FIELD_PART_IAS_IM:
                         /* special processing for I021/150 and I062/380#4 because Air Speed depends on IM subfield */
-                        air_speed_im_bit = wmem_new (wmem_packet_scope (), guint8);
+                        air_speed_im_bit = wmem_new (pinfo->pool, guint8);
                         *air_speed_im_bit = (tvb_get_guint8 (tvb, offset_in_tvb) & 0x80) >> 7;
                         /* Save IM info for the packet. key = 21150. */
                         p_add_proto_data (pinfo->pool, pinfo, proto_asterix, 21150, air_speed_im_bit);
diff --git a/tools/asterix/packet-asterix-template.c b/tools/asterix/packet-asterix-template.c
index d0b5d42d01..e5160afde6 100644
--- a/tools/asterix/packet-asterix-template.c
+++ b/tools/asterix/packet-asterix-template.c
@@ -638,7 +638,7 @@ static void asterix_build_subtree (tvbuff_t *tvb, packet_info *pinfo, guint offs
                         break;
                     case FIELD_PART_CALLSIGN:
                         str_buffer = wmem_strdup_printf(
-                            wmem_packet_scope (),
+                            pinfo->pool,
                             "%c%c%c%c%c%c%c%c",
                             AISCode[(value >> 42) & 63],
                             AISCode[(value >> 36) & 63],
@@ -652,7 +652,7 @@ static void asterix_build_subtree (tvbuff_t *tvb, packet_info *pinfo, guint offs
                         break;
                     case FIELD_PART_IAS_IM:
                         /* special processing for I021/150 and I062/380#4 because Air Speed depends on IM subfield */
-                        air_speed_im_bit = wmem_new (wmem_packet_scope (), guint8);
+                        air_speed_im_bit = wmem_new (pinfo->pool, guint8);
                         *air_speed_im_bit = (tvb_get_guint8 (tvb, offset_in_tvb) & 0x80) >> 7;
                         /* Save IM info for the packet. key = 21150. */
                         p_add_proto_data (pinfo->pool, pinfo, proto_asterix, 21150, air_speed_im_bit);