diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2a6d018..0b1d432 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,7 @@
 cmake_minimum_required(VERSION 3.26...4.0)
 
 project(SCALAPACK VERSION 2.2.2 LANGUAGES C Fortran)
+set(CMAKE_C_STANDARD 17)
 
 # Add the CMake directory for custon CMake modules
 set(CMAKE_MODULE_PATH "${SCALAPACK_SOURCE_DIR}/CMAKE" ${CMAKE_MODULE_PATH})