diff --git a/jdk/make/src/classes/build/tools/module/GenModuleInfoSource.java b/jdk/make/src/classes/build/tools/module/GenModuleInfoSource.java
index 368fcc7271a..60d0b6e3132 100644
--- a/jdk/make/src/classes/build/tools/module/GenModuleInfoSource.java
+++ b/jdk/make/src/classes/build/tools/module/GenModuleInfoSource.java
@@ -146,9 +146,10 @@ public class GenModuleInfoSource {
             for (String l : lines) {
                 writer.println(l);
                 if (l.trim().startsWith("module ")) {
-                    writer.format("    // source file: %s%n", sourceFile);
+                    // print URI rather than file path to avoid escape
+                    writer.format("    // source file: %s%n", sourceFile.toUri());
                     for (Path file: extraFiles) {
-                        writer.format("    //              %s%n", file);
+                        writer.format("    //              %s%n", file.toUri());
                     }
                     break;
                 }
diff --git a/jdk/test/com/sun/jndi/rmi/registry/RegistryContext/ContextWithNullProperties.java b/jdk/test/com/sun/jndi/rmi/registry/RegistryContext/ContextWithNullProperties.java
index d8f9338dbb1..2004d96f2f9 100644
--- a/jdk/test/com/sun/jndi/rmi/registry/RegistryContext/ContextWithNullProperties.java
+++ b/jdk/test/com/sun/jndi/rmi/registry/RegistryContext/ContextWithNullProperties.java
@@ -28,6 +28,7 @@
  * @modules jdk.naming.rmi/com.sun.jndi.rmi.registry java.rmi/sun.rmi.registry
  *     java.rmi/sun.rmi.server java.rmi/sun.rmi.transport java.rmi/sun.rmi.transport.tcp
  * @library ../../../../../../java/rmi/testlibrary
+ * @build TestLibrary
  * @compile --add-modules jdk.naming.rmi ContextWithNullProperties.java
  * @run main ContextWithNullProperties
  */