diff --git a/integration-tests/templates/openBIS-server/openbis.conf b/integration-tests/templates/openBIS-server/openbis.conf
index 5ddb154ed2c07c387f0becf778f4576affea2ec7..405635ea4843838d3b3bbf0e1d2ea6fc46dd8a4a 100644
--- a/integration-tests/templates/openBIS-server/openbis.conf
+++ b/integration-tests/templates/openBIS-server/openbis.conf
@@ -10,7 +10,7 @@
 #
 # General options to the JRE
 #
-JAVA_OPTS=${JAVA_OPTS:=-server -d64 -Djavax.net.ssl.trustStore=openBIS.keystore}
+JAVA_OPTS=${JAVA_OPTS:=-server -Djavax.net.ssl.trustStore=openBIS.keystore}
 
 #
 # Memory options to the JRE