diff --git a/indra/CMakeLists.txt b/indra/CMakeLists.txt
index 4331239c6f1ddac586a65bfcc7e53ecff2635f8a..5b621e1ff4202a143af3a47081c2a792cbc320ae 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 20)
 
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)