diff --git a/org.eclipse.jdt.core.javac/src/org/eclipse/jdt/core/dom/JavacConverter.java b/org.eclipse.jdt.core.javac/src/org/eclipse/jdt/core/dom/JavacConverter.java
index f6e5f70007f..f0dafe4c822 100644
--- a/org.eclipse.jdt.core.javac/src/org/eclipse/jdt/core/dom/JavacConverter.java
+++ b/org.eclipse.jdt.core.javac/src/org/eclipse/jdt/core/dom/JavacConverter.java
@@ -267,6 +267,8 @@ private AbstractTypeDeclaration convertClassDecl(JCClassDecl javacClassDecl, AST
 						if( next instanceof JCFieldAccess jcfa ) {
 							String pack = jcfa.selected == null ? null : jcfa.selected.toString();
 							typeDeclaration.superInterfaces().add(convert(jcfa.name, pack));
+						} else if( next instanceof JCIdent jcid ) {
+							typeDeclaration.superInterfaces().add(convert(jcid.name, null));
 						}
 					}
 				}