diff --git a/swing/build.xml b/swing/build.xml
index 760ab7b86..748b52946 100644
--- a/swing/build.xml
+++ b/swing/build.xml
@@ -92,7 +92,7 @@
 			
 			
 			<!-- Libraries to extract into base JAR -->
-			<zipfileset src="${core.dir}/build/jar/OpenRocket-core.jar" />
+			<zipfileset src="${core.dir}/build/jar/OpenRocket-Core.jar" />
 			<zipfileset src="${lib.dir}/miglayout15-swing.jar" />
 			<zipfileset src="${core.dir}/lib/guice-3.0.jar" />
 			<zipfileset src="${core.dir}/lib/aopalliance.jar"/>