Index: src/zabbix_java/Makefile.am
===================================================================
--- src/zabbix_java/Makefile.am	(revision 34084)
+++ src/zabbix_java/Makefile.am	(working copy)
@@ -12,17 +12,18 @@
 ZJG = bin/zabbix-java-gateway-$(VERSION).jar
 LIB = lib/org-json-2010-12-28.jar:lib/logback-core-0.9.27.jar:lib/logback-classic-0.9.27.jar:lib/slf4j-api-1.6.1.jar
 JUNIT = tests/junit-4.8.2.jar
+SOURCE = 1.6
 
 ZJG_DEST = $(DESTDIR)$(sbindir)/zabbix_java
 
 all: $(ZJG)
 
 $(ZJG): class src/com/zabbix/gateway/*.java
-	$(JAVAC) -d class/src -classpath $(LIB) src/com/zabbix/gateway/*.java
+	$(JAVAC) -source $(SOURCE) -d class/src -classpath $(LIB) src/com/zabbix/gateway/*.java
 	$(JAR) cf $(ZJG) -C class/src .
 
 test: class
-	$(JAVAC) -d class/tests -classpath class/src:$(JUNIT) tests/com/zabbix/gateway/*.java
+	$(JAVAC) -source $(SOURCE) -d class/tests -classpath class/src:$(JUNIT) tests/com/zabbix/gateway/*.java
 	java -classpath class/tests:$(LIB):$(ZJG):$(JUNIT) com.zabbix.gateway.AllTestRunner
 
 class: