diff --git a/src/wasm_runner.rs b/src/wasm_runner.rs
index e2de16d..cc2ea85 100644
--- a/src/wasm_runner.rs
+++ b/src/wasm_runner.rs
@@ -116,7 +116,8 @@ pub fn run_prepared_wasm_instance(
         anyhow::anyhow!("No such function '{}' in {}", entrypoint, wasm_module_name)
     })?;
     tracing::trace!("Calling Wasm entry point");
-    start.call(&mut store, &[], &mut vec![])?;
+    start.call(&mut store, &[], &mut vec![])
+        .or_else(ignore_successful_proc_exit_trap)?;
     tracing::trace!("Module execution complete");
     Ok(())
 }
@@ -135,6 +136,16 @@ pub fn run_prepared_wasm_instance_if_present(
     }
 }
 
+fn ignore_successful_proc_exit_trap(guest_err: anyhow::Error) -> anyhow::Result<()> {
+    match guest_err.root_cause().downcast_ref::<wasmtime::Trap>() {
+        Some(trap) => match trap.i32_exit_status() {
+            Some(0) => Ok(()),
+            _ => Err(guest_err),
+        },
+        None => Err(guest_err),
+    }
+}
+
 pub enum RunWasmResult<T, E> {
     Ok(T),
     WasmError(E),