diff --git a/source/Makefile.in b/source/Makefile.in
index 8de31a3..3464a18 100644
--- a/source/Makefile.in
+++ b/source/Makefile.in
@@ -12,7 +12,7 @@ exec_prefix=@exec_prefix@
 CC 		= @CC@
 INCLUDES	= -I./include
 CFLAGS		= @CFLAGS@ -fno-builtin
-LIBS 		= @LIBS@
+LIBS 		= @LIBS@ @CLOCK_LIB@
 YACC		= @YACC@
 INSTALL		= @INSTALL@
 INSTALL_PROGRAM	= @INSTALL_PROGRAM@