diff --git a/javaparser-symbol-solver-core/src/main/java/com/github/javaparser/symbolsolver/javaparsermodel/declarations/JavaParserClassDeclaration.java b/javaparser-symbol-solver-core/src/main/java/com/github/javaparser/symbolsolver/javaparsermodel/declarations/JavaParserClassDeclaration.java
index 4a503e8ab2..05bb001993 100644
--- a/javaparser-symbol-solver-core/src/main/java/com/github/javaparser/symbolsolver/javaparsermodel/declarations/JavaParserClassDeclaration.java
+++ b/javaparser-symbol-solver-core/src/main/java/com/github/javaparser/symbolsolver/javaparsermodel/declarations/JavaParserClassDeclaration.java
@@ -306,7 +306,7 @@ public SymbolReference<ResolvedTypeDeclaration> solveType(String name) {
             return ref;
         }
 
-        String prefix = wrappedNode.getName() + ".";
+        String prefix = wrappedNode.getName().asString() + ".";
         if (name.startsWith(prefix) && name.length() > prefix.length()) {
             return new JavaParserClassDeclaration(this.wrappedNode, typeSolver).solveType(name.substring(prefix.length()));
         }
diff --git a/javaparser-symbol-solver-core/src/main/java/com/github/javaparser/symbolsolver/javaparsermodel/declarations/JavaParserInterfaceDeclaration.java b/javaparser-symbol-solver-core/src/main/java/com/github/javaparser/symbolsolver/javaparsermodel/declarations/JavaParserInterfaceDeclaration.java
index fe52bbda05..c38d62174f 100644
--- a/javaparser-symbol-solver-core/src/main/java/com/github/javaparser/symbolsolver/javaparsermodel/declarations/JavaParserInterfaceDeclaration.java
+++ b/javaparser-symbol-solver-core/src/main/java/com/github/javaparser/symbolsolver/javaparsermodel/declarations/JavaParserInterfaceDeclaration.java
@@ -270,7 +270,7 @@ public SymbolReference<ResolvedTypeDeclaration> solveType(String name) {
             return ref;
         }
 
-        String prefix = wrappedNode.getName() + ".";
+        String prefix = wrappedNode.getName().asString() + ".";
         if (name.startsWith(prefix) && name.length() > prefix.length()) {
             return new JavaParserInterfaceDeclaration(this.wrappedNode, typeSolver).solveType(name.substring(prefix.length()));
         }
diff --git a/javaparser-symbol-solver-core/src/main/java/com/github/javaparser/symbolsolver/javaparsermodel/declarations/JavaParserTypeAdapter.java b/javaparser-symbol-solver-core/src/main/java/com/github/javaparser/symbolsolver/javaparsermodel/declarations/JavaParserTypeAdapter.java
index 176b22e4d8..f6e318c216 100644
--- a/javaparser-symbol-solver-core/src/main/java/com/github/javaparser/symbolsolver/javaparsermodel/declarations/JavaParserTypeAdapter.java
+++ b/javaparser-symbol-solver-core/src/main/java/com/github/javaparser/symbolsolver/javaparsermodel/declarations/JavaParserTypeAdapter.java
@@ -117,7 +117,7 @@ public SymbolReference<ResolvedTypeDeclaration> solveType(String name) {
         for (BodyDeclaration<?> member : this.wrappedNode.getMembers()) {
             if (member instanceof com.github.javaparser.ast.body.TypeDeclaration) {
                 com.github.javaparser.ast.body.TypeDeclaration<?> internalType = (com.github.javaparser.ast.body.TypeDeclaration<?>) member;
-                String prefix = internalType.getName() + ".";
+                String prefix = internalType.getName().asString() + ".";
                 if (internalType.getName().getId().equals(name)) {
                     if (internalType instanceof ClassOrInterfaceDeclaration) {
                         if (((ClassOrInterfaceDeclaration) internalType).isInterface()) {