diff --git a/langtools/src/jdk.dev/share/classes/com/sun/tools/jdeps/JdepsTask.java b/langtools/src/jdk.dev/share/classes/com/sun/tools/jdeps/JdepsTask.java
index 3a93327d5e4..a430df9b2ae 100644
--- a/langtools/src/jdk.dev/share/classes/com/sun/tools/jdeps/JdepsTask.java
+++ b/langtools/src/jdk.dev/share/classes/com/sun/tools/jdeps/JdepsTask.java
@@ -554,8 +554,9 @@ class JdepsTask {
         classpaths.addAll(PlatformClassPath.getModules(options.mpath));
         if (options.mpath != null) {
             initialArchives.addAll(PlatformClassPath.getModules(options.mpath));
+        } else {
+            classpaths.addAll(PlatformClassPath.getJarFiles());
         }
-        classpaths.addAll(PlatformClassPath.getJarFiles());
         // add all classpath archives to the source locations for reporting
         sourceLocations.addAll(classpaths);
     }