diff --git a/ChangeLog b/ChangeLog
index 9ca7cae8..a0bf033e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2021-11-11  Joerg Wunsch <j.gnu@uriah.heep.sax.de>
+
+	Submitted by Joseph Coffland:
+	patch #8957: Allow reading prodsig memory from stk500v2 on xmega devices
+	* stk500v2.c (stk600_xprog_read_byte, stk600_xprog_paged_load):
+	treat "prodsig" memory space as equivalent to "calibration"
+
 2021-11-07  Joerg Wunsch <j.gnu@uriah.heep.sax.de>
 
 	Submitted by Martin Thierer:
diff --git a/NEWS b/NEWS
index 11e50114..4875ddbd 100644
--- a/NEWS
+++ b/NEWS
@@ -103,6 +103,7 @@ Current:
     patch #10000: Add support for extended UPDI device context
     patch #9697: Add iseavrprog support
     patch #10017: uspasp / tpi: Automatically clear configuration byte (fuse) before writing it
+    patch #8957: Allow reading prodsig memory from stk500v2 on xmega devices
 
   * Internals:
     - New avrdude.conf keyword "family_id", used to verify SIB attributes
diff --git a/stk500v2.c b/stk500v2.c
index 90c2fa24..4687ad6b 100644
--- a/stk500v2.c
+++ b/stk500v2.c
@@ -3938,7 +3938,8 @@ static int stk600_xprog_read_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
         b[1] = XPRG_MEM_TYPE_FUSE;
     } else if (strncmp(mem->desc, "lock", strlen("lock")) == 0) {
         b[1] = XPRG_MEM_TYPE_LOCKBITS;
-    } else if (strcmp(mem->desc, "calibration") == 0) {
+    } else if (strcmp(mem->desc, "calibration") == 0 ||
+               strcmp(mem->desc, "prodsig") == 0) {
         b[1] = XPRG_MEM_TYPE_FACTORY_CALIBRATION;
     } else if (strcmp(mem->desc, "usersig") == 0) {
         b[1] = XPRG_MEM_TYPE_USERSIG;
@@ -4012,7 +4013,8 @@ static int stk600_xprog_paged_load(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
         memtype = XPRG_MEM_TYPE_FUSE;
     } else if (strncmp(mem->desc, "lock", strlen("lock")) == 0) {
         memtype = XPRG_MEM_TYPE_LOCKBITS;
-    } else if (strcmp(mem->desc, "calibration") == 0) {
+    } else if (strcmp(mem->desc, "calibration") == 0 ||
+               strcmp(mem->desc, "prodsig") == 0) {
         memtype = XPRG_MEM_TYPE_FACTORY_CALIBRATION;
     } else if (strcmp(mem->desc, "usersig") == 0) {
         memtype = XPRG_MEM_TYPE_USERSIG;