diff --git a/.classpath b/.classpath
index 439f571fe4..facc548d70 100644
--- a/.classpath
+++ b/.classpath
@@ -23,7 +23,7 @@
 	<classpathentry kind="lib" path="ooxml-lib/xmlbeans-2.3.0.jar"/>
 	<classpathentry kind="lib" path="lib/hamcrest-core-1.3.jar"/>
 	<classpathentry kind="lib" path="lib/junit-4.11.jar"/>
-	<classpathentry kind="lib" path="ooxml-lib/ooxml-schemas-1.1.jar"/>
+	<classpathentry kind="lib" path="ooxml-lib/ooxml-schemas-1.1.jar" sourcepath="ooxml-lib/ooxml-schemas-src-1.1.jar"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
 	<classpathentry kind="output" path="build/eclipse"/>
 </classpath>