diff --git a/configs/dk-tm4c129x/nsh/defconfig b/configs/dk-tm4c129x/nsh/defconfig
index 7a2ada8e54..c852e9fb6f 100644
--- a/configs/dk-tm4c129x/nsh/defconfig
+++ b/configs/dk-tm4c129x/nsh/defconfig
@@ -261,7 +261,7 @@ CONFIG_BOOT_RUNFROMFLASH=y
 # Boot Memory Configuration
 #
 CONFIG_RAM_START=0x20000000
-CONFIG_RAM_SIZE=32768
+CONFIG_RAM_SIZE=262144
 # CONFIG_ARCH_HAVE_SDRAM is not set
 
 #