diff --git a/cmake/CheckRequirements.cmake b/cmake/CheckRequirements.cmake
index d3446c3..683e541 100644
--- a/cmake/CheckRequirements.cmake
+++ b/cmake/CheckRequirements.cmake
@@ -21,7 +21,7 @@ try_compile(
         ${CMAKE_CURRENT_BINARY_DIR}
         ${CMAKE_CURRENT_LIST_DIR}/coroutine.cpp
         CXX_STANDARD 20
-        CXX_STANDARD_REQUIRED 20
+        CXX_STANDARD_REQUIRED ON
         OUTPUT_VARIABLE TRY_COMPILE_OUTPUT)
 
 if (NOT BOOST_COBALT_HAS_COROUTINE_INCLUDE)
@@ -35,7 +35,7 @@ try_compile(
         ${CMAKE_CURRENT_BINARY_DIR}
         ${CMAKE_CURRENT_LIST_DIR}/concepts.cpp
         CXX_STANDARD 20
-        CXX_STANDARD_REQUIRED 20
+        CXX_STANDARD_REQUIRED ON
         OUTPUT_VARIABLE TRY_COMPILE_OUTPUT)
 
 if (NOT BOOST_COBALT_HAS_CONCEPTS)
@@ -50,7 +50,7 @@ try_compile(BOOST_COBALT_HAS_STD_PMR
         ${CMAKE_CURRENT_BINARY_DIR}
         ${CMAKE_CURRENT_LIST_DIR}/memory_resource.cpp
         CXX_STANDARD 17
-        CXX_STANDARD_REQUIRED 17)
+        CXX_STANDARD_REQUIRED ON)
 
 if (NOT BOOST_COBALT_HAS_STD_PMR)
     set(BOOST_COBALT_SHOULD_USE_CONTAINER ON)