diff --git a/CMakeLists.txt b/CMakeLists.txt
index 97e3801..e2a5b35 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -197,7 +197,7 @@ populate_ldscript(CPU_FAMILY STM32F407XE
 
 populate_ldscript(CPU_FAMILY STM32G0B1xx
 	FLASH_START 0x08000000
-	FLASH_SIZE 512k
+	FLASH_SIZE 128k
 	RAM_START 0x20000000
 	RAM_SIZE 144k
 	STACK_SIZE 2k