diff --git a/androscalpel/src/code_analysis/register_type.rs b/androscalpel/src/code_analysis/register_type.rs
index 78f8403..15cbc96 100644
--- a/androscalpel/src/code_analysis/register_type.rs
+++ b/androscalpel/src/code_analysis/register_type.rs
@@ -55,6 +55,10 @@ impl MethodCFG<'_> {
         }
         // Initialize the entry block from function signature:
         let mut i = (code.registers_size - code.ins_size) as usize;
+        if !self.method.is_static {
+            end_block_reg_tys[0][i] = RegType::Object; // 'this'
+            i += 1;
+        }
         for arg in &self.method.descriptor.proto.get_parameters() {
             if arg.is_class() || arg.is_array() {
                 end_block_reg_tys[0][i] = RegType::Object;