diff --git a/Sources/Rubicon/Generator/InitGenerator.swift b/Sources/Rubicon/Generator/InitGenerator.swift
index 1018e7e..81a67c8 100644
--- a/Sources/Rubicon/Generator/InitGenerator.swift
+++ b/Sources/Rubicon/Generator/InitGenerator.swift
@@ -45,7 +45,9 @@ final class InitGeneratorImpl: InitGenerator {
 
     private func makeInitArgument(from variable: VarDeclaration, isAddingDefaultValueToOptionalsEnabled: Bool) -> String {
         let defaultValue = isAddingDefaultValueToOptionalsEnabled && variable.type.isOptional ? " = nil" : ""
-        let declaration = ArgumentDeclaration(name: variable.identifier, type: variable.type)
+        let prefix = variable.type.isOptional ? [] : variable.type.prefix
+        let type = TypeDeclaration(name: variable.type.name, isOptional: variable.type.isOptional, prefix: prefix)
+        let declaration = ArgumentDeclaration(name: variable.identifier, type: type)
         return argumentGenerator.makeCode(from: declaration) + defaultValue
     }
 }
diff --git a/Tests/RubiconTests/Generator/InitGeneratorTests.swift b/Tests/RubiconTests/Generator/InitGeneratorTests.swift
index a0b8f58..8c77f1f 100644
--- a/Tests/RubiconTests/Generator/InitGeneratorTests.swift
+++ b/Tests/RubiconTests/Generator/InitGeneratorTests.swift
@@ -61,7 +61,10 @@ final class InitGeneratorTests: XCTestCase {
         initialize(accessLevel: .public)
 
         let result = sut.makeCode(
-            with: [.makeStub(), .makeStub(type: .makeStub(isOptional: true))],
+            with: [
+                .makeStub(type: .makeStub(prefix: [.escaping])),
+                .makeStub(type: .makeStub(isOptional: true, prefix: [.escaping]))
+            ],
             isAddingDefaultValueToOptionalsEnabled: false
         )
 
@@ -72,7 +75,8 @@ final class InitGeneratorTests: XCTestCase {
             "}",
         ])
         XCTAssertEqual(argumentGeneratorSpy.makeCode.count, 2)
-        XCTAssertEqual(argumentGeneratorSpy.makeCode.first?.declaration, .makeStub(label: nil, name: "identifier", type: .makeStub()))
+        XCTAssertEqual(argumentGeneratorSpy.makeCode.first?.declaration, .makeStub(label: nil, name: "identifier", type: .makeStub(prefix: [.escaping])))
+        XCTAssertEqual(argumentGeneratorSpy.makeCode.last?.declaration, .makeStub(label: nil, name: "identifier", type: .makeStub(isOptional: true, prefix: [])))
     }
 
     func test_givenOptionalVariableAndIsAddingDefaultValueToOptionalsEnabled_whenMakeCode_thenMakeInit() {
diff --git a/Tests/RubiconTests/Integration/SpyIntegrationTests.swift b/Tests/RubiconTests/Integration/SpyIntegrationTests.swift
index 13cb6ea..28fff7f 100644
--- a/Tests/RubiconTests/Integration/SpyIntegrationTests.swift
+++ b/Tests/RubiconTests/Integration/SpyIntegrationTests.swift
@@ -55,7 +55,7 @@ final class SpyIntegrationTests: XCTestCase {
             "-var continueFromScreenId = [ContinueFromScreenId]()",
             "-var continueFromId = [ContinueFromId]()",
             "",
-            "-init(name: String? = nil, color: Int, loadThrowBlock: @escaping (() throws -> Void)? = nil, loadReturn: Int, isFullReturn: Bool, downloadThrowBlock: @escaping (() throws -> Void)? = nil, downloadReturn: [String]) {",
+            "-init(name: String? = nil, color: Int, loadThrowBlock: (() throws -> Void)? = nil, loadReturn: Int, isFullReturn: Bool, downloadThrowBlock: (() throws -> Void)? = nil, downloadReturn: [String]) {",
             "--self.name = name",
             "--self.color = color",
             "--self.loadThrowBlock = loadThrowBlock",
diff --git a/Tests/RubiconTests/Integration/StubIntegrationTests.swift b/Tests/RubiconTests/Integration/StubIntegrationTests.swift
index 4e5e940..e8a647e 100644
--- a/Tests/RubiconTests/Integration/StubIntegrationTests.swift
+++ b/Tests/RubiconTests/Integration/StubIntegrationTests.swift
@@ -29,7 +29,7 @@ final class StubIntegrationTests: XCTestCase {
             "-var downloadThrowBlock: (() throws -> Void)?",
             "-var downloadReturn: [String]",
             "",
-            "-init(name: String? = nil, color: Int, loadThrowBlock: @escaping (() throws -> Void)? = nil, loadReturn: Int, isFullReturn: Bool, downloadThrowBlock: @escaping (() throws -> Void)? = nil, downloadReturn: [String]) {",
+            "-init(name: String? = nil, color: Int, loadThrowBlock: (() throws -> Void)? = nil, loadReturn: Int, isFullReturn: Bool, downloadThrowBlock: (() throws -> Void)? = nil, downloadReturn: [String]) {",
             "--self.name = name",
             "--self.color = color",
             "--self.loadThrowBlock = loadThrowBlock",