--- scripts/Configure-config.h
+++ scripts/Configure-config.h
@@ -41,7 +41,7 @@
 
 # Double-check that config.h is complete.
 
-if [ "`tail -1 config.h`" != "/* End of config.h */" ] ; then
+if [ "`tail -n 1 config.h`" != "/* End of config.h */" ] ; then
   echo "*** config.h appears to be incomplete"
   echo "*** unexpected failure in buildconfig program"
   exit 1