--- a/Makefile.in	2014-07-24 21:25:09.072431615 +0200
+++ b/Makefile.in	2014-07-24 21:26:34.898037740 +0200
@@ -22,7 +22,7 @@
 # Preprocessor and linking flags
 
 CPPFLAGS:=$(CPPFLAGS) $(GTK_CFLAGS) -DVERSION=\"$(VERSION)\" -DDATADIR=\"$(pkgdatadir)\" -DDOCDIR=\"$(docdir)\"
-LDFLAGS:=$(LDFLAGS) $(GTK_LIBS)
+LDLIBS:=$(GTK_LIBS) -lX11
 
 # Object files
 
@@ -51,7 +51,7 @@
 	$(INSTALL_DATA) doc/* $(docdir)
 
 gtklife: $(OBJS)
-	$(CC) -o gtklife $(OBJS) $(LDFLAGS)
+	$(CC) -o gtklife $(OBJS) $(LDFLAGS) $(LDLIBS)
 
 create_lookup: $(CL_OBJS)
 	$(CC) -o create_lookup $(CL_OBJS)