diff --git a/dexlib2/src/main/java/org/jf/dexlib2/builder/MutableMethodImplementation.java b/dexlib2/src/main/java/org/jf/dexlib2/builder/MutableMethodImplementation.java
index 4c02e692..bc1183cc 100644
--- a/dexlib2/src/main/java/org/jf/dexlib2/builder/MutableMethodImplementation.java
+++ b/dexlib2/src/main/java/org/jf/dexlib2/builder/MutableMethodImplementation.java
@@ -589,8 +589,10 @@ public class MutableMethodImplementation implements MethodImplementation {
             case SparseSwitchPayload:
                 setInstruction(location,
                         newBuilderSparseSwitchPayload(location, codeAddressToIndex, (SparseSwitchPayload)instruction));
+                return;
             case ArrayPayload:
                 setInstruction(location, newBuilderArrayPayload((ArrayPayload)instruction));
+                return;
             default:
                 throw new ExceptionWithContext("Instruction format %s not supported", instruction.getOpcode().format);
         }