diff --git a/specs/spring-cloud-contract-spec-kotlin/src/main/kotlin/org/springframework/cloud/contract/spec/internal/ResponseDsl.kt b/specs/spring-cloud-contract-spec-kotlin/src/main/kotlin/org/springframework/cloud/contract/spec/internal/ResponseDsl.kt
index ce1826a247..27b540d61a 100644
--- a/specs/spring-cloud-contract-spec-kotlin/src/main/kotlin/org/springframework/cloud/contract/spec/internal/ResponseDsl.kt
+++ b/specs/spring-cloud-contract-spec-kotlin/src/main/kotlin/org/springframework/cloud/contract/spec/internal/ResponseDsl.kt
@@ -69,7 +69,12 @@ class ResponseDsl : CommonDsl() {
 
     fun code(code: Int): DslProperty<Any> = code.toDslProperty()
 
-    fun fixedMilliseconds(delay: Long): DslProperty<Any> = delay.toDslProperty()
+    fun fixedMilliseconds(delay: Int): DslProperty<Any> = delay.toDslProperty()
+
+	/**
+	 * @deprecated Use the {@link #fixedMilliseconds(int) fixedMilliseconds} method.
+	 */
+	fun fixedMilliseconds(delay: Long): DslProperty<Any> = fixedMilliseconds(delay.toInt())
 
     fun headers(headers: HeadersDsl.() -> Unit) {
         this.headers = ResponseHeadersDsl().apply(headers).get()
diff --git a/specs/spring-cloud-contract-spec-kotlin/src/test/kotlin/org/springframework/cloud/contract/spec/ContractTests.kt b/specs/spring-cloud-contract-spec-kotlin/src/test/kotlin/org/springframework/cloud/contract/spec/ContractTests.kt
index 1314c4cded..ff7bdbea68 100644
--- a/specs/spring-cloud-contract-spec-kotlin/src/test/kotlin/org/springframework/cloud/contract/spec/ContractTests.kt
+++ b/specs/spring-cloud-contract-spec-kotlin/src/test/kotlin/org/springframework/cloud/contract/spec/ContractTests.kt
@@ -825,4 +825,42 @@ then:
 		}
 	}
 
+	@Test
+	/**
+	 * See issue https://github.com/spring-cloud/spring-cloud-contract/issues/1668
+	 */
+	fun `should convert delay from long to int`() {
+		val contract = contract {
+			name = "Test Controller"
+			description = "Some description"
+			request {
+				method = GET
+				url = url("/credentials") withQueryParameters {
+					parameter("type", "foo")
+				}
+			}
+			response {
+				delay = fixedMilliseconds(1000L)
+				status = OK
+				body = body(
+						listOf(
+								mapOf(
+										"type" to "test1"
+								)
+						)
+				)
+			}
+		}
+
+		assertDoesNotThrow {
+			Contract.assertContract(contract)
+		}.also {
+			val response = contract.response
+			assertThat(response.delay.clientValue).isInstanceOf(java.lang.Integer::class.java)
+			assertThat(response.delay.clientValue).isEqualTo(1000)
+			assertThat(response.delay.serverValue).isInstanceOf(java.lang.Integer::class.java)
+			assertThat(response.delay.serverValue).isEqualTo(1000)
+		}
+	}
+
 }
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