diff --git a/android/.classpath b/android/.classpath
index a69f6427a..e00d60930 100644
--- a/android/.classpath
+++ b/android/.classpath
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="gen"/>
-	<classpathentry excluding="net/sf/openrocket/file/motor/MotorLoaderHelper.java|net/sf/openrocket/gui/|net/sf/openrocket/startup/Startup.java|net/sf/openrocket/startup/Startup2.java|net/sf/openrocket/startup/VersionHelper.java|net/sf/openrocket/utils/|net/sf/openrocket/file/motor/|net/sf/openrocket/file/CSVExport.java" kind="src" path="src"/>
+	<classpathentry excluding="net/sf/openrocket/file/CSVExport.java|net/sf/openrocket/file/motor/|net/sf/openrocket/file/rocksim/export/|net/sf/openrocket/gui/|net/sf/openrocket/startup/Startup.java|net/sf/openrocket/startup/Startup2.java|net/sf/openrocket/startup/VersionHelper.java|net/sf/openrocket/utils/" kind="src" path="core"/>
+	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="locale"/>
 	<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
 	<classpathentry kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
diff --git a/android/.project b/android/.project
index c3f04e46d..6c03e9257 100644
--- a/android/.project
+++ b/android/.project
@@ -30,4 +30,11 @@
 		<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
 		<nature>org.eclipse.jdt.core.javanature</nature>
 	</natures>
+	<linkedResources>
+		<link>
+			<name>core</name>
+			<type>2</type>
+			<locationURI>WORKSPACE_LOC/OpenRocket/src</locationURI>
+		</link>
+	</linkedResources>
 </projectDescription>