diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2fecb6efd..5b4cd401d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -249,9 +249,7 @@ if(MSVC)
             CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
             CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
             CMAKE_C_FLAGS_CHECK)
-            if(${flag_var} MATCHES "/MD")
-                string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
-            endif(${flag_var} MATCHES "/MD")
+            string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
         endforeach(flag_var)
     endif()
 endif()