diff --git a/utils/osgiwrap/src/main/java/org/onlab/osgiwrap/OSGiWrapper.java b/utils/osgiwrap/src/main/java/org/onlab/osgiwrap/OSGiWrapper.java
index 8a8d16f..821bf40 100644
--- a/utils/osgiwrap/src/main/java/org/onlab/osgiwrap/OSGiWrapper.java
+++ b/utils/osgiwrap/src/main/java/org/onlab/osgiwrap/OSGiWrapper.java
@@ -383,7 +383,7 @@
         }
     }
 
-    private boolean addFileToJar(Jar jar, String destination, String sourceAbsPath) {
+    private boolean addFileToJar(Jar jar, String destination, String sourceAbsPath) throws IOException {
         if (includedResources.contains(sourceAbsPath)) {
             log("Skipping already included resource: %s\n", sourceAbsPath);
             return false;