diff --git a/core/build.xml b/core/build.xml
index 19b126216..27a1b4ecc 100644
--- a/core/build.xml
+++ b/core/build.xml
@@ -55,7 +55,7 @@
 	<target name="build">
 		<mkdir dir="${classes.dir}"/>
 		<echo level="info">Compiling main classes</echo>
-		<javac debug="true" srcdir="${src.dir}" destdir="${classes.dir}" classpathref="classpath" includeantruntime="false" source="11" target="11"/>
+		<javac debug="true" srcdir="${src.dir}" destdir="${classes.dir}" classpathref="classpath" includeantruntime="false" source="1.8" target="1.8"/>
 	</target>
 	
 	<!-- Executible Eclipse-Jar-In-Jar style JAR -->
diff --git a/swing/build.xml b/swing/build.xml
index afd5544f9..1b44cf8d8 100644
--- a/swing/build.xml
+++ b/swing/build.xml
@@ -71,7 +71,7 @@
 	<target name="build">
 		<mkdir dir="${classes.dir}"/>
 		<echo level="info">Compiling main classes</echo>
-		<javac debug="true" srcdir="${src.dir}" destdir="${classes.dir}" classpathref="classpath" includeantruntime="false" source="11" target="11"/>
+		<javac debug="true" srcdir="${src.dir}" destdir="${classes.dir}" classpathref="classpath" includeantruntime="false" source="1.8" target="1.8"/>
 	</target>
 	
 	<!-- Executible Eclipse-Jar-In-Jar style JAR -->