diff --git a/bindings/rust/evmc-vm/src/lib.rs b/bindings/rust/evmc-vm/src/lib.rs
index 29029f6..597488c 100644
--- a/bindings/rust/evmc-vm/src/lib.rs
+++ b/bindings/rust/evmc-vm/src/lib.rs
@@ -184,7 +184,7 @@ impl<'a> ExecutionContext<'a> {
         }
     }
 
-    pub fn get_tx_context(&mut self) -> &ExecutionTxContext {
+    pub fn get_tx_context(&self) -> &ExecutionTxContext {
         &self.tx_context
     }