diff --git a/CMakeLists.txt b/CMakeLists.txt
index d0066f0..f307c75 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,6 +2,7 @@
 project(m2dev-server-src)
 
 set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_C_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 # ASan support