diff --git a/.classpath b/.classpath
index 82a60c0b5f..043e31d45f 100644
--- a/.classpath
+++ b/.classpath
@@ -24,7 +24,7 @@
 	<classpathentry kind="lib" path="ooxml-lib/curvesapi-1.03.jar"/>
 	<classpathentry kind="lib" path="ooxml-lib/ooxml-schemas-1.2.jar" sourcepath="ooxml-lib/ooxml-schemas-1.2-sources.jar"/>
 	<classpathentry kind="lib" path="ooxml-lib/ooxml-security-1.0.jar" sourcepath="ooxml-lib/ooxml-security-1.0-sources.jar"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
 	<classpathentry kind="lib" path="compile-lib/slf4j-api-1.7.12.jar"/>
 	<classpathentry kind="lib" path="compile-lib/bcpkix-jdk15on-1.53.jar"/>
 	<classpathentry kind="lib" path="compile-lib/bcprov-ext-jdk15on-1.53.jar"/>