diff --git a/CMakeLists.txt b/CMakeLists.txt
index 96917bb89..8cbe720eb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -248,11 +248,7 @@ ELSE(DESIRED_QT_VERSION)
 ENDIF(DESIRED_QT_VERSION)
 
 #use pkg-config to find various modues
-IF   (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION} STRGREATER 2.4.5)
-
-    FIND_PACKAGE(PkgConfig)
-
-ENDIF(${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION} STRGREATER 2.4.5) 
+INCLUDE(FindPkgConfig OPTIONAL)
 
 IF(PKG_CONFIG_FOUND)