diff --git a/src/flash/nor/stm32f1x.c b/src/flash/nor/stm32f1x.c
index d021bbfb3..cfeac6c70 100644
--- a/src/flash/nor/stm32f1x.c
+++ b/src/flash/nor/stm32f1x.c
@@ -1142,11 +1142,15 @@ static int get_stm32x_info(struct flash_bank *bank, char *buf, int buf_size)
 
 		switch (device_id >> 16) {
 			case 0x1000:
-				snprintf(buf, buf_size, "1.0");
+				snprintf(buf, buf_size, "A");
+				break;
+
+			case 0x1001:
+				snprintf(buf, buf_size, "Z");
 				break;
 
 			case 0x2000:
-				snprintf(buf, buf_size, "2.0");
+				snprintf(buf, buf_size, "B");
 				break;
 
 			default:
@@ -1192,11 +1196,11 @@ static int get_stm32x_info(struct flash_bank *bank, char *buf, int buf_size)
 
 		switch (device_id >> 16) {
 			case 0x1000:
-				snprintf(buf, buf_size, "1.0");
+				snprintf(buf, buf_size, "A");
 				break;
 
 			case 0x2000:
-				snprintf(buf, buf_size, "2.0");
+				snprintf(buf, buf_size, "B");
 				break;
 
 			default: