diff --git a/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/EnsoFile.java b/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/EnsoFile.java
index 1efaed2b74f..ef757e3024a 100644
--- a/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/EnsoFile.java
+++ b/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/EnsoFile.java
@@ -772,10 +772,17 @@ public final class EnsoFile extends EnsoObject {
     return fromString(context, System.getProperty("user.home"));
   }
 
+  @ExportMessage
+  @TruffleBoundary
+  @Override
+  public String toDisplayString(boolean allowSideEffects) {
+    return "(File " + truffleFile.getPath() + ")";
+  }
+
   @Override
   @TruffleBoundary
   public String toString() {
-    return "(File " + truffleFile.getPath() + ")";
+    return toDisplayString(false);
   }
 
   @ExportMessage
diff --git a/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/ManagedResource.java b/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/ManagedResource.java
index 946cf7861f2..424eac477f3 100644
--- a/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/ManagedResource.java
+++ b/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/ManagedResource.java
@@ -1,5 +1,6 @@
 package org.enso.interpreter.runtime.data;
 
+import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
 import com.oracle.truffle.api.dsl.Bind;
 import com.oracle.truffle.api.interop.InteropLibrary;
 import com.oracle.truffle.api.library.ExportLibrary;
@@ -93,4 +94,11 @@ public final class ManagedResource extends EnsoObject {
   Type getType(@Bind("$node") Node node) {
     return EnsoContext.get(node).getBuiltins().managedResource();
   }
+
+  @ExportMessage
+  @TruffleBoundary
+  @Override
+  public String toDisplayString(boolean allowSideEffects) {
+    return resource.toString();
+  }
 }
diff --git a/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/Ref.java b/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/Ref.java
index 861945f900b..47ee953bd8c 100644
--- a/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/Ref.java
+++ b/engine/runtime/src/main/java/org/enso/interpreter/runtime/data/Ref.java
@@ -2,6 +2,7 @@ package org.enso.interpreter.runtime.data;
 
 import com.oracle.truffle.api.dsl.Bind;
 import com.oracle.truffle.api.interop.InteropLibrary;
+import com.oracle.truffle.api.library.CachedLibrary;
 import com.oracle.truffle.api.library.ExportLibrary;
 import com.oracle.truffle.api.library.ExportMessage;
 import com.oracle.truffle.api.nodes.Node;
@@ -68,4 +69,10 @@ public final class Ref extends EnsoObject {
   Type getType(@Bind("$node") Node node) {
     return EnsoContext.get(node).getBuiltins().ref();
   }
+
+  @ExportMessage
+  Object toDisplayString(
+      boolean allowSideEffects, @CachedLibrary(limit = "3") InteropLibrary interop) {
+    return interop.toDisplayString(value, allowSideEffects);
+  }
 }