diff --git a/kaffeine/src/player-parts/dummy-part/Makefile b/kaffeine/src/player-parts/dummy-part/Makefile
index 4916a91..f32701f 100644
--- a/kaffeine/src/player-parts/dummy-part/Makefile
+++ b/kaffeine/src/player-parts/dummy-part/Makefile
@@ -62,7 +62,7 @@ CFLAGS_XINERAMA =
 CFLAGS_XTEST =  
 CONF_FILES =  $(top_srcdir)/./admin/configure.in.min $(top_srcdir)/configure.in.in $(top_srcdir)/./kaffeine/configure.in.bot $(top_srcdir)/./kaffeine/configure.in.in
 CPP = gcc -E
-CPPFLAGS =  -DQT_THREAD_SUPPORT  -D_REENTRANT
+CPPFLAGS =  -DTQT_THREAD_SUPPORT  -D_REENTRANT
 CXX = g++
 CXXCPP = g++ -E
 CXXDEPMODE = depmode=gcc3