Index: main/src/main/java/org/apache/karaf/main/InstanceHelper.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- main/src/main/java/org/apache/karaf/main/InstanceHelper.java	(revision 63d09d333a6c7f7830797d7fa048d5e533a22118)
+++ main/src/main/java/org/apache/karaf/main/InstanceHelper.java	(revision )
@@ -38,7 +38,7 @@
 
 public class InstanceHelper {
 
-    static void updateInstancePid(final File karafHome, File karafBase, final boolean isStartingInstance) {
+    static void updateInstancePid(final File karafHome, final File karafBase, final boolean isStartingInstance) {
         try {
             final String instanceName = System.getProperty("karaf.name");
             final String pid = isStartingInstance ? getPid() : "0";
@@ -88,7 +88,7 @@
                             // it's the first instance running, so we consider as root
                             props.setProperty("count", "1");
                             props.setProperty("item.0.name", instanceName);
-                            props.setProperty("item.0.loc", karafHome.getAbsolutePath());
+                            props.setProperty("item.0.loc", karafBase.getAbsolutePath());
                             props.setProperty("item.0.pid", pid);
                             props.setProperty("item.0.root", "true");
                         } else {