diff --git a/appl/kx/Makefile.in b/appl/kx/Makefile.in
index fff4d622e..45786263e 100644
--- a/appl/kx/Makefile.in
+++ b/appl/kx/Makefile.in
@@ -6,7 +6,7 @@ srcdir = @srcdir@
 VPATH = @srcdir@
 
 XINCS = @X_CFLAGS@
-XLIBS = @X_LIBS@ -lXau @X_PRE_LIBS@ @X_EXTRA_LIBS@
+XLIBS = @X_LIBS@ @LIB_XauReadAuth@ @X_PRE_LIBS@ @X_EXTRA_LIBS@
 
 CC = @CC@
 AR = ar