diff --git a/cmake/tpl/FindKLU.cmake b/cmake/tpl/FindKLU.cmake
index 96b9d7343b..a3d817d037 100644
--- a/cmake/tpl/FindKLU.cmake
+++ b/cmake/tpl/FindKLU.cmake
@@ -46,7 +46,7 @@ if (NOT (KLU_INCLUDE_DIR OR KLU_LIBRARY_DIR OR KLU_LIBRARY))
 endif()
 
 # Set library prefixes for Windows
-if(WIN32)
+if(MSVC OR ("${CMAKE_C_SIMULATE_ID}" STREQUAL "MSVC"))
   set(CMAKE_FIND_LIBRARY_PREFIXES lib ${CMAKE_FIND_LIBRARY_PREFIXES})
   set(CMAKE_FIND_LIBRARY_SUFFIXES d.lib ${CMAKE_FIND_LIBRARY_SUFFIXES})
 elseif(APPLE)
@@ -95,7 +95,7 @@ endif ()
 if (NOT SUITESPARSECONFIG_LIBRARY)
     set(SUITESPARSECONFIG_LIBRARY_NAME suitesparseconfig)
     # NOTE: no prefix for this library on windows
-    if(WIN32 AND NOT MSYS)
+    if(MSVC OR ("${CMAKE_C_SIMULATE_ID}" STREQUAL "MSVC"))
         set(CMAKE_FIND_LIBRARY_PREFIXES "")
     endif()
     find_library( SUITESPARSECONFIG_LIBRARY ${SUITESPARSECONFIG_LIBRARY_NAME} ${KLU_LIBRARY_DIR} NO_DEFAULT_PATH)