diff --git a/core/deployment/src/main/java/io/quarkus/deployment/index/ApplicationArchiveBuildStep.java b/core/deployment/src/main/java/io/quarkus/deployment/index/ApplicationArchiveBuildStep.java
index c33022643f064..ebb8b9d64efc8 100644
--- a/core/deployment/src/main/java/io/quarkus/deployment/index/ApplicationArchiveBuildStep.java
+++ b/core/deployment/src/main/java/io/quarkus/deployment/index/ApplicationArchiveBuildStep.java
@@ -180,13 +180,17 @@ private static Collection<? extends Path> getMarkerFilePaths(ClassLoader classLo
         return ret;
     }
 
-    private static Path urlToPath(URL url) {
+    // package protected for testing purpose
+    static Path urlToPath(URL url) {
         try {
             if (url.getProtocol().equals("jar")) {
                 String jarPath = url.getPath().substring(0, url.getPath().lastIndexOf('!'));
                 return Paths.get(new URI(jarPath));
             } else if (url.getProtocol().equals("file")) {
                 int index = url.getPath().lastIndexOf("/META-INF");
+                if (index == -1) {
+                    return Paths.get(url.getPath());
+                }
                 String pathString = url.getPath().substring(0, index);
                 Path path = Paths.get(new URI(url.getProtocol(), url.getHost(), pathString, null));
                 return path;
diff --git a/core/deployment/src/test/java/io/quarkus/deployment/index/ApplicationArchiveBuildStepTestCase.java b/core/deployment/src/test/java/io/quarkus/deployment/index/ApplicationArchiveBuildStepTestCase.java
new file mode 100644
index 0000000000000..15daa24bf5cf4
--- /dev/null
+++ b/core/deployment/src/test/java/io/quarkus/deployment/index/ApplicationArchiveBuildStepTestCase.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2018 Red Hat, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.quarkus.deployment.index;
+
+import static io.quarkus.deployment.index.ApplicationArchiveBuildStep.urlToPath;
+import static org.junit.Assert.assertEquals;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.nio.file.Paths;
+
+import org.junit.Test;
+
+public class ApplicationArchiveBuildStepTestCase {
+    @Test
+    public void testUrlToPath() throws MalformedURLException {
+        assertEquals(Paths.get("/a/path"), urlToPath(new URL("jar:file:/a/path!/META-INF/services/my.Service")));
+        assertEquals(Paths.get("/a/path"), urlToPath(new URL("file:/a/path/META-INF/services/my.Service")));
+        assertEquals(Paths.get("/a/path"), urlToPath(new URL("file:/a/path")));
+    }
+
+    @Test(expected = RuntimeException.class)
+    public void testUrlToPathWithWrongProtocol() throws MalformedURLException {
+        urlToPath(new URL("http://a/path"));
+    }
+}