diff --git a/src/flash/nor/efm32.c b/src/flash/nor/efm32.c
index ab0186d7d..fb4b09624 100644
--- a/src/flash/nor/efm32.c
+++ b/src/flash/nor/efm32.c
@@ -119,9 +119,9 @@ static const struct efm32_family_data efm32_families[] = {
 		{ 16, "EFR32MG1P Mighty", .series = 1 },
 		{ 17, "EFR32MG1B Mighty", .series = 1 },
 		{ 18, "EFR32MG1V Mighty", .series = 1 },
-		{ 19, "EFR32MG1P Blue", .series = 1 },
-		{ 20, "EFR32MG1B Blue", .series = 1 },
-		{ 21, "EFR32MG1V Blue", .series = 1 },
+		{ 19, "EFR32BG1P Blue", .series = 1 },
+		{ 20, "EFR32BG1B Blue", .series = 1 },
+		{ 21, "EFR32BG1V Blue", .series = 1 },
 		{ 25, "EFR32FG1P Flex", .series = 1 },
 		{ 26, "EFR32FG1B Flex", .series = 1 },
 		{ 27, "EFR32FG1V Flex", .series = 1 },