diff --git a/boards/arm/lpc17xx_40xx/lincoln60/configs/thttpd-binfs/defconfig b/boards/arm/lpc17xx_40xx/lincoln60/configs/thttpd-binfs/defconfig
index 8e6cac78b24..cdde1fdd3a2 100644
--- a/boards/arm/lpc17xx_40xx/lincoln60/configs/thttpd-binfs/defconfig
+++ b/boards/arm/lpc17xx_40xx/lincoln60/configs/thttpd-binfs/defconfig
@@ -61,7 +61,7 @@ CONFIG_START_YEAR=2015
 CONFIG_SYMTAB_ORDEREDBYNAME=y
 CONFIG_SYSTEM_PING=y
 CONFIG_TASK_NAME_SIZE=0
-CONFIG_THTTPD_CGIINBUFFERSIZ=256
+CONFIG_THTTPD_CGIINBUFFERSIZE=256
 CONFIG_THTTPD_CGIOUTBUFFERSIZE=256
 CONFIG_THTTPD_CGI_BYTECOUNT=20000
 CONFIG_THTTPD_CGI_STACKSIZE=1536