diff --git a/arch/arm/src/lm/chip/lm_flash.h b/arch/arm/src/lm/chip/lm_flash.h
index dc21e641f2..45b5154bb8 100644
--- a/arch/arm/src/lm/chip/lm_flash.h
+++ b/arch/arm/src/lm/chip/lm_flash.h
@@ -48,7 +48,7 @@
 
 /* FLASH dimensions ****************************************************************/
 
-#if defined(CONFIG_ARCH_CHIP_LM3S6965)
+#if defined(CONFIG_ARCH_CHIP_LM3S6965) || defined(CONFIG_ARCH_CHIP_LM4F120)
 #  define LM_FLASH_NPAGES        256
 #  define LM_FLASH_PAGESIZE      1024
 #else