diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index dcfae3a1a..477417c07 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -4,7 +4,10 @@ MACRO(PLASMA_UNIT_TESTS)
        FOREACH(_testname ${ARGN})
                kde4_add_unit_test(${_testname} ${_testname}.cpp)
                target_link_libraries(${_testname} plasma ${QT_QTTEST_LIBRARY}
-                                     ${KDE4_KIO_LIBS} ${QCA2_LIBRARIES})
+                                     ${KDE4_KIO_LIBS})
+               if(QCA2_FOUND)
+                       target_link_libraries(${_testname} ${QCA2_LIBRARIES})
+               endif(QCA2_FOUND)
        ENDFOREACH(_testname)
 ENDMACRO(PLASMA_UNIT_TESTS)