diff --git a/CMakeLists.txt b/CMakeLists.txt
index 283af66d..5cc7ec5c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -584,7 +584,7 @@ if(MI_BUILD_SHARED)
   install(TARGETS mimalloc EXPORT mimalloc ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
   install(EXPORT mimalloc DESTINATION ${mi_install_cmakedir})
 
-  if(WIN32)
+  if(WIN32 AND NOT MINGW)
     # On windows, the import library name for the dll would clash with the static mimalloc.lib library
     # so we postfix the dll import library with `.dll.lib` (and also the .pdb debug file)
     set_property(TARGET mimalloc PROPERTY ARCHIVE_OUTPUT_NAME "${mi_libname}.dll" )