diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 1fc26a03082..b08c7ae02ce 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -81,7 +81,7 @@ if(PYTHONINTERP_FOUND)
   set(ENABLE_SHARED ${LLVM_SHARED_LIBS_ENABLED})
   set(SHLIBPATH_VAR ${SHLIBPATH_VAR})
 
-  if(LLVM_ENABLE_ASSERTIONS)
+  if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE)
     set(ENABLE_ASSERTIONS "1")
   else()
     set(ENABLE_ASSERTIONS "0")