diff --git a/CommonConfig.cmake b/CommonConfig.cmake
index 8241045..979c797 100755
--- a/CommonConfig.cmake
+++ b/CommonConfig.cmake
@@ -158,7 +158,9 @@
 set(MBEDTLS_C_FLAGS "-D__ARM_FEATURE_CMSE=3 -D__thumb2__ ${COMMON_COMPILE_FLAGS_STR} -DMBEDTLS_CONFIG_FILE=\\\\\\\"mbedtls_config.h\\\\\\\" -I${CMAKE_CURRENT_LIST_DIR}/platform/ext/common")
 
 set (SST_ENCRYPTION ON)
-set (SST_RAM_FS ON)
+if (NOT DEFINED SST_RAM_FS)
+	set (SST_RAM_FS OFF)
+endif()
 set (SST_VALIDATE_METADATA_FROM_FLASH ON)
 set (ENABLE_SECURE_STORAGE ON)
 set (MBEDTLS_DEBUG ON)