diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/jdepend/JDependTask.java b/src/main/org/apache/tools/ant/taskdefs/optional/jdepend/JDependTask.java
index bc7de5427..88ecba085 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/jdepend/JDependTask.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/jdepend/JDependTask.java
@@ -559,6 +559,7 @@ public class JDependTask extends Task {
             // we have to find a cleaner way to put this output
         }
 
+        if (getSourcespath() != null) {
         // This is deprecated - use classespath in the future
         String[] sourcesPath = getSourcespath().list();
         for (int i = 0; i < sourcesPath.length; i++) {
@@ -571,7 +572,9 @@ public class JDependTask extends Task {
             }
             commandline.createArgument().setValue(f.getPath());
         }
+        }
 
+        if (getClassespath() != null) {
         // This is the new way - use classespath - code is the same for now
         String[] classesPath = getClassespath().list();
         for (int i = 0; i < classesPath.length; i++) {
@@ -583,6 +586,7 @@ public class JDependTask extends Task {
             }
             commandline.createArgument().setValue(f.getPath());
         }
+        }
 
         Execute execute = new Execute(new LogStreamHandler(this,
             Project.MSG_INFO, Project.MSG_WARN), watchdog);