diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0a3398e54b628a33fde2850e647c1cee7181ec47..531b0591428891ebc8de11760270fc120ba95bd5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -54,7 +54,7 @@ find_package(event)
 find_package(Doxygen)
 
 INCLUDE(FindQt4)
-FIND_PACKAGE(Qt4 COMPONENTS QtCore)
+FIND_PACKAGE(Qt4 COMPONENTS QtCore QtNetwork)
 
 # ADD_DEFINITIONS(${SWIFTEN_CFLAGS})
 ADD_DEFINITIONS(-DSUPPORT_LEGACY_CAPS)