diff --git a/CMakeLists.txt b/CMakeLists.txt
index 468f1a3..8e94458 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -142,6 +142,8 @@ if(HAVE_SINF)
 endif(HAVE_SINF)
 
 if (NOT WIN32)
+  set(UNIXLIBS "-lstdc++ -lm")
+endif (NOT WIN32)
   set(prefix "${CMAKE_INSTALL_PREFIX}")
   set(exec_prefix "${CMAKE_INSTALL_PREFIX}")
   set(libdir "${CMAKE_INSTALL_PREFIX}/lib")
@@ -152,4 +154,3 @@ if (NOT WIN32)
   install(FILES "${PROJECT_BINARY_DIR}/libmodplug.pc"
     DESTINATION lib/pkgconfig
   )
-endif (NOT WIN32)
diff --git a/libmodplug.pc.in b/libmodplug.pc.in
index bbf05f9..1699d76 100644
--- a/libmodplug.pc.in
+++ b/libmodplug.pc.in
@@ -8,5 +8,5 @@ Description: The ModPlug mod file playing library.
 Version: @VERSION@
 Requires: 
 Libs: -L${libdir} -lmodplug 
-Libs.private: -lstdc++ -lm
+Libs.private: @UNIXLIBS@
 Cflags: -I${includedir}