diff --git a/indra/CMakeLists.txt b/indra/CMakeLists.txt
index 6638fcd1bd795d8b4b1b64a0030f9f213674f3ba..9789e23338a79aa05f13d194be8fd3447dcaffa7 100644
--- a/indra/CMakeLists.txt
+++ b/indra/CMakeLists.txt
@@ -13,7 +13,7 @@ project(${ROOT_PROJECT_NAME})
 
 set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
 
-set(CMAKE_C_STANDARD 17)
+set(CMAKE_C_STANDARD 11)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_VISIBILITY_PRESET hidden)