diff -dur belle-sip-1.3.0.orig/configure.ac belle-sip-1.3.0/configure.ac
--- belle-sip-1.3.0.orig/configure.ac	2014-02-19 14:36:36.000000000 +0100
+++ belle-sip-1.3.0/configure.ac	2014-06-06 15:08:46.000000000 +0200
@@ -150,12 +150,6 @@
 
 	for antlr_java_prefix in $antlr_java_prefixes
 	do
-		antlr_jar=$antlr_java_prefix/antlr.jar
-		if test -f $antlr_jar ; then
-			break
-		else
-			antlr_jar=no
-		fi
 		antlr_jar=$antlr_java_prefix/antlr3.jar
 		if test -f $antlr_jar ; then
 			break
@@ -164,7 +158,7 @@
 		fi
 	done
 	if test $antlr_jar = "no" ; then
-		AC_MSG_ERROR([Could not find antlr.jar. Please install antlr3 ])
+		AC_MSG_ERROR([Could not find antlr3.jar. Please install antlr3 ])
 	fi
 	AC_PATH_PROG([JAVA],[java],[no])
 	if test $JAVA = "no" ; then