diff --git a/src/Makefile.am b/src/Makefile.am
index 08f8bc0..37a1d99 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -58,6 +58,7 @@ kgstplayer_LDFLAGS= $(all_libraries) $(KDE_RPATH) $(LIB_QT) -lDCOP $(LIB_KDECORE
 kgstplayer_SOURCES= gstplayer.cpp
 
 knpplayer_LDADD= $(LIBNSPR_LIBS)
+knpplayer_LDFLAGS= -lX11 -lgmodule-2.0
 knpplayer_SOURCES= npplayer.c
 
 xdg_apps_DATA = kmplayer.desktop