diff --git a/src/main/java/soot/Scene.java b/src/main/java/soot/Scene.java
index 1f2d06ca343..84b1b5c02c6 100755
--- a/src/main/java/soot/Scene.java
+++ b/src/main/java/soot/Scene.java
@@ -1632,6 +1632,7 @@ private void addSootBasicClasses() {
 
     addBasicClass("java.lang.String");
     addBasicClass("java.lang.StringBuffer", SootClass.SIGNATURES);
+    addBasicClass("java.lang.StringBuilder", SootClass.SIGNATURES);
     addBasicClass("java.lang.Enum", SootClass.SIGNATURES);
 
     addBasicClass("java.lang.Error");