diff --git a/build/cmake/lib/CMakeLists.txt b/build/cmake/lib/CMakeLists.txt
index b9e22159550..9552cc67f47 100644
--- a/build/cmake/lib/CMakeLists.txt
+++ b/build/cmake/lib/CMakeLists.txt
@@ -134,7 +134,7 @@ if (ZSTD_BUILD_STATIC)
             OUTPUT_NAME ${STATIC_LIBRARY_BASE_NAME})
 endif ()
 
-if (UNIX)
+if (UNIX OR MINGW)
     # pkg-config
     set(PREFIX "${CMAKE_INSTALL_PREFIX}")
     set(LIBDIR "${CMAKE_INSTALL_LIBDIR}")