diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1c299d7..3a57f4a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -69,9 +69,9 @@ include( ConfigureChecks.cmake )
 add_definitions( -DHAVE_CONFIG_H )
 
 set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${TQT_CXX_FLAGS}" )
-set( CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined" )
+set( CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined -L/usr/X11R7/lib" )
 set( CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--no-undefined" )
-set( CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -llcms -ljasper")
+set( CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -llcms -ljasper -lm -ljpeg")
 
 ##### directories