diff --git a/data-access/servlet/Makefile b/data-access/servlet/Makefile
index 2d588583536711c06a67673b91de54d2cb68c424..8ec5073465cfd1f1bc9219d4a3a68a3dd48bb07f 100644
--- a/data-access/servlet/Makefile
+++ b/data-access/servlet/Makefile
@@ -51,11 +51,9 @@ uninstall:
 
 .PHONY: war
 war:
-	@jar -cf target/$(WEBAPP_WAR) -C $(INSTALL_DIR) index.html\
-			  $(INSTALL_DIR)/META-INF/*.xml \
-			  $(INSTALL_DIR)/WEB-INF/*.xml \
-			  $(INSTALL_DIR)/WEB-INF/classes/* \
-			  $(INSTALL_DIR)/WEB-INF/lib/*.jar
+	cd $(INSTALL_DIR) \
+	&& jar -cf ../$(WEBAPP_WAR) META-INF WEB-INF WEB-INF/classes WEB-INF/lib \
+	&& cd -
 
 .PHONY:
 create-war: clean build install war