diff --git a/src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavacParser.java b/src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavacParser.java
index f963492b20e..3e02d2e26b3 100644
--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavacParser.java
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavacParser.java
@@ -3723,6 +3723,11 @@ public class JavacParser implements Parser {
                 JCExpression pn = qualident(false);
                 if (pn.hasTag(Tag.IDENT) && ((JCIdent)pn).name != names._this) {
                     name = ((JCIdent)pn).name;
+                } else if (lambdaParameter && type == null) {
+                    // we have a lambda parameter that is not an identifier this is a syntax error
+                    type = pn;
+                    name = names.empty;
+                    reportSyntaxError(pos, Errors.Expected(IDENTIFIER));
                 } else {
                     if (allowThisIdent) {
                         if ((mods.flags & Flags.VARARGS) != 0) {
diff --git a/test/langtools/tools/javac/lambda/8131742/T8131742.java b/test/langtools/tools/javac/lambda/8131742/T8131742.java
index 3c39ed884e6..1fe47709ecf 100644
--- a/test/langtools/tools/javac/lambda/8131742/T8131742.java
+++ b/test/langtools/tools/javac/lambda/8131742/T8131742.java
@@ -1,9 +1,17 @@
 /*
  * @test /nodynamiccopyright/
- * @bug 8131742
+ * @bug 8131742 8301374
  * @summary Syntactically meaningless code accepted by javac
  * @compile/fail/ref=T8131742.out -XDrawDiagnostics T8131742.java
  */
 class T8131742 {
     static Runnable r = (__GAR BAGE__.this) -> { };
+
+    interface F {
+        void apply(E e);
+    }
+    enum E {
+        ONE
+    }
+    F f = (E.ONE) -> {};
 }
diff --git a/test/langtools/tools/javac/lambda/8131742/T8131742.out b/test/langtools/tools/javac/lambda/8131742/T8131742.out
index efc3c1c97fa..2d13bc46ec9 100644
--- a/test/langtools/tools/javac/lambda/8131742/T8131742.out
+++ b/test/langtools/tools/javac/lambda/8131742/T8131742.out
@@ -1,2 +1,3 @@
 T8131742.java:8:39: compiler.err.this.as.identifier
-1 error
+T8131742.java:16:12: compiler.err.expected: token.identifier
+2 errors