diff --git a/androscalpel/src/code_analysis/register_type.rs b/androscalpel/src/code_analysis/register_type.rs
index e7a1898..a23d649 100644
--- a/androscalpel/src/code_analysis/register_type.rs
+++ b/androscalpel/src/code_analysis/register_type.rs
@@ -122,6 +122,21 @@ impl MethodCFG<'_> {
         }
 
         dot_string += "}\n";
+        dot_string += "\n";
+        for (i, node) in self.nodes.iter().enumerate() {
+            for ins in node.code_block {
+                if let Instruction::Label { name } = ins {
+                    dot_string += &format!(
+                        "    cluster_{}:node_{}:s -> cluster_reg_types_{}:node_{}:n \
+                        [style=\"solid,bold\",color=grey,weight=10,constraint=true];\n",
+                        self.method.descriptor.__str__(),
+                        i,
+                        self.method.descriptor.__str__(),
+                        name
+                    );
+                }
+            }
+        }
         dot_string
     }
 }