diff --git xprintidle/Makefile.in xprintidle/Makefile.in
index a34ede5..a21e41b 100644
--- xprintidle/Makefile.in
+++ xprintidle/Makefile.in
@@ -161,7 +161,7 @@ x_includes = @x_includes@
 x_libraries = @x_libraries@
 xprintidle_SOURCES = xprintidle.c
 AM_CPPFLAGS = -I@x_includes@
-LDADD = -L@x_libraries@ -lX11 -lXss
+LDADD = -L@x_libraries@ -lX11 -lXss -lXext
 all: all-am
 
 .SUFFIXES: