--- old/src/jdk.compiler/share/classes/com/sun/tools/javac/file/Locations.java	2019-09-23 18:40:38.000000000 -0400
+++ new/src/jdk.compiler/share/classes/com/sun/tools/javac/file/Locations.java	2019-09-23 18:40:38.000000000 -0400
@@ -233,7 +233,7 @@
     }
 
     public void setMultiReleaseValue(String multiReleaseValue) {
-        fsEnv = Collections.singletonMap("multi-release", multiReleaseValue);
+        fsEnv = Collections.singletonMap("releaseVersion", multiReleaseValue);
     }
 
     private boolean contains(Collection<Path> searchPath, Path file) throws IOException {