diff --git a/runtime/CMakeLists.txt b/runtime/CMakeLists.txt
index 8077edb9..b26430af 100644
--- a/runtime/CMakeLists.txt
+++ b/runtime/CMakeLists.txt
@@ -502,11 +502,11 @@ function(add_tests module_files)
             set_tests_properties(${testroot}_${name}_run PROPERTIES DEPENDS ${testroot}_${name}_build)
         endfunction()
 
-        testcase(debug -g -debug)
-        testcase(release -O -release)
+        testcase(debug "-g;-d-debug")
+        testcase(release "-O3;-release")
         if(MULTILIB)
-            testcase(debug_32 -g -debug -m32)
-            testcase(release_32 -O -release -m32)
+            testcase(debug_32 "-g;-d-debug;-m32")
+            testcase(release_32 "-O3;-release;-m32")
         endif()
     endforeach()
 endfunction()