diff --git a/.projen/tasks.json b/.projen/tasks.json
index 7eac626a..7b97f5c6 100644
--- a/.projen/tasks.json
+++ b/.projen/tasks.json
@@ -85,7 +85,7 @@
       "name": "compile",
       "description": "Only compile",
       "env": {
-        "NODE_OPTIONS": "--max-old-space-size=8192"
+        "NODE_OPTIONS": "--max-old-space-size=4096"
       },
       "steps": [
         {
@@ -189,7 +189,7 @@
       "name": "test",
       "description": "Run tests",
       "env": {
-        "NODE_OPTIONS": "--max-old-space-size=8192",
+        "NODE_OPTIONS": "--max-old-space-size=4096",
         "DEFAULT_REGION": "ap-northeast-1",
         "AWS_ACCOUNT_ID": "000000000000",
         "AWS_ACCESS_KEY_ID": "test",
diff --git a/.projenrc.ts b/.projenrc.ts
index 2f5e97f9..b1f343a2 100644
--- a/.projenrc.ts
+++ b/.projenrc.ts
@@ -215,7 +215,7 @@ packageJson.addOverride("lint-staged", {
 project.compileTask.prependExec(
   "yarn link && cd ./test-app && yarn link functionless"
 );
-project.compileTask.env("NODE_OPTIONS", "--max-old-space-size=8192");
+project.compileTask.env("NODE_OPTIONS", "--max-old-space-size=4096");
 project.compileTask.prependExec("ts-node ./scripts/sdk-gen.ts");
 
 project.testTask.prependExec(
@@ -224,7 +224,7 @@ project.testTask.prependExec(
 project.testTask.prependExec("./scripts/localstack");
 project.testTask.exec("localstack stop");
 
-project.testTask.env("NODE_OPTIONS", "--max-old-space-size=8192");
+project.testTask.env("NODE_OPTIONS", "--max-old-space-size=4096");
 project.testTask.env("DEFAULT_REGION", "ap-northeast-1");
 project.testTask.env("AWS_ACCOUNT_ID", "000000000000");
 project.testTask.env("AWS_ACCESS_KEY_ID", "test");
diff --git a/src/step-function.ts b/src/step-function.ts
index bd8fcdbe..cad41217 100644
--- a/src/step-function.ts
+++ b/src/step-function.ts
@@ -1579,9 +1579,9 @@ function getStepFunctionArgs<
     | [func: StepFunctionClosure<Payload, Out>]
 ) {
   const props =
-    isFunctionLike(args[0]) || isErr(args[0])
+    isFunctionLike(args[0]) || isErr(args[0]) || typeof args[0] === "function"
       ? {}
-      : (args[1] as StepFunctionProps);
+      : args[0];
   const func = validateFunctionLike(
     args.length > 1 ? args[1] : args[0],
     "StepFunction"
diff --git a/test/__snapshots__/step-function.localstack.test.ts.snap b/test/__snapshots__/step-function.localstack.test.ts.snap
index bcb7a5a4..82753a7f 100644
--- a/test/__snapshots__/step-function.localstack.test.ts.snap
+++ b/test/__snapshots__/step-function.localstack.test.ts.snap
@@ -14673,6 +14673,31 @@ Object {
 }
 `;
 
+exports[`step function props are passed through to the resource 1`] = `
+Object {
+  "StartAt": "Initialize Functionless Context",
+  "States": Object {
+    "Initialize Functionless Context": Object {
+      "Next": "return context.StateMachine.Name",
+      "Parameters": Object {
+        "_.$": "$$.Execution.Input",
+        "fnl_context": Object {
+          "null": null,
+        },
+      },
+      "ResultPath": "$",
+      "Type": "Pass",
+    },
+    "return context.StateMachine.Name": Object {
+      "End": true,
+      "InputPath": "$$.StateMachine.Name",
+      "ResultPath": "$",
+      "Type": "Pass",
+    },
+  },
+}
+`;
+
 exports[`templates 1`] = `
 Object {
   "StartAt": "Initialize Functionless Context",
diff --git a/test/step-function.localstack.test.ts b/test/step-function.localstack.test.ts
index f9239983..dadc57f8 100644
--- a/test/step-function.localstack.test.ts
+++ b/test/step-function.localstack.test.ts
@@ -124,6 +124,21 @@ localstackTestSuite("sfnStack", (testResource, _stack, _app) => {
     "hello world"
   );
 
+  test(
+    "step function props are passed through to the resource",
+    (parent) => {
+      return new StepFunction(
+        parent,
+        "sfn2",
+        { stateMachineName: "magicMachine" },
+        async (_, context) => {
+          return context.StateMachine.Name;
+        }
+      );
+    },
+    "magicMachine"
+  );
+
   test(
     "duplicate nodes",
     (parent) => {