--- src/Makefile.am.link	2011-05-10 05:42:12.000000000 +0200
+++ src/Makefile.am	2011-05-10 05:42:57.000000000 +0200
@@ -20,7 +20,7 @@
 
 libunicapgtk_la_LIBADD = \
 			  @GTK_PACKAGE_LIBS@ \
-			  @X_LIBS@ @X_XV_LIBS@ \
+			  @X_LIBS@ @X_XV_LIBS@ -lX11 \
 			  @UNICAP_PACKAGE_LIBS@
 			  -lm
 
--- src/Makefile.in.link	2011-05-10 05:42:22.000000000 +0200
+++ src/Makefile.in	2011-05-10 05:42:39.000000000 +0200
@@ -283,7 +283,7 @@
 
 libunicapgtk_la_LIBADD = \
 			  @GTK_PACKAGE_LIBS@ \
-			  @X_LIBS@ @X_XV_LIBS@ \
+			  @X_LIBS@ @X_XV_LIBS@ -lX11 \
 			  @UNICAP_PACKAGE_LIBS@
 
 libunicapgtk_la_CFLAGS = \