diff --git a/tests/JavaTest.sh b/tests/JavaTest.sh
index 58d8442..099447e 100755
--- a/tests/JavaTest.sh
+++ b/tests/JavaTest.sh
@@ -20,7 +20,7 @@
 
 java -version
 
-testdir="$(readlink -fn "$(dirname "$0")")"
+testdir=$(dirname $0)
 
 targetdir="${testdir}/target"
 
@@ -36,8 +36,8 @@
     exit 1
 fi
 
-javac -d "${targetdir}" -classpath "${testdir}/../java:${testdir}:${testdir}/namespace_test:${testdir}/union_vector" "${testdir}/JavaTest.java"
+javac -d "${targetdir}" -classpath "${testdir}/optional_scalars:${testdir}/../java:${testdir}:${testdir}/namespace_test:${testdir}/union_vector" "${testdir}/JavaTest.java"
 
-(cd "${testdir}" && java -classpath "${targetdir}" JavaTest )
+(cd "${testdir}" && java -ea -classpath "${targetdir}" JavaTest )
 
 rm -rf "${targetdir}"