diff --git a/accurest-core/src/main/groovy/io/codearte/accurest/dsl/WiremockRequestStubStrategy.groovy b/accurest-core/src/main/groovy/io/codearte/accurest/dsl/WiremockRequestStubStrategy.groovy
index 97a7e942ba..36ba00ed72 100755
--- a/accurest-core/src/main/groovy/io/codearte/accurest/dsl/WiremockRequestStubStrategy.groovy
+++ b/accurest-core/src/main/groovy/io/codearte/accurest/dsl/WiremockRequestStubStrategy.groovy
@@ -39,7 +39,9 @@ class WiremockRequestStubStrategy extends BaseWiremockStubStrategy {
 			return [:]
 		}
 		if (containsRegex(body)) {
-			return [bodyPatterns: [[matches: parseBody(JsonConverter.transformValues(body, { it.toString() }))]]]
+			return [bodyPatterns: [[matches: parseBody(JsonConverter.transformValues(body, {
+				it instanceof Pattern ? it.toString() : it
+			}))]]]
 		}
 		return [bodyPatterns: [[equalTo: parseBody(body)]]]
 	}
diff --git a/accurest-core/src/test/groovy/io/codearte/accurest/dsl/WiremockGroovyDslSpec.groovy b/accurest-core/src/test/groovy/io/codearte/accurest/dsl/WiremockGroovyDslSpec.groovy
index b813ee11ef..fddf781fd3 100755
--- a/accurest-core/src/test/groovy/io/codearte/accurest/dsl/WiremockGroovyDslSpec.groovy
+++ b/accurest-core/src/test/groovy/io/codearte/accurest/dsl/WiremockGroovyDslSpec.groovy
@@ -148,7 +148,6 @@ class WiremockGroovyDslSpec extends WiremockSpec {
 			stubMappingIsValidWiremockStub(wiremockStub)
 	}
 
-
 	def 'should convert groovy dsl stub with regexp Body as String to wiremock stub for the client side'() {
 		given:
 			GroovyDsl groovyDsl = GroovyDsl.make {
@@ -201,6 +200,68 @@ class WiremockGroovyDslSpec extends WiremockSpec {
 			stubMappingIsValidWiremockStub(wiremockStub)
 	}
 
+	def 'should convert groovy dsl stub with a regexp and an integer in request body'() {
+		given:
+			GroovyDsl groovyDsl = GroovyDsl.make {
+				request {
+					method 'PUT'
+					url '/fraudcheck'
+					body("""
+                        {
+                        "clientPesel":"${value(client(regex('[0-9]{10}')), server('1234567890'))}",
+                        "loanAmount":123.123
+                        }
+                    """
+					)
+					headers {
+						header('Content-Type', 'application/vnd.fraud.v1+json')
+					}
+
+				}
+				response {
+					status 200
+					body(
+							fraudCheckStatus: "OK",
+							rejectionReason: $(client(null), server(execute('assertThatRejectionReasonIsNull($it)')))
+					)
+					headers {
+						header('Content-Type': 'application/vnd.fraud.v1+json')
+					}
+				}
+
+			}
+		when:
+			String wiremockStub = new WiremockStubStrategy(groovyDsl).toWiremockClientStub()
+		then:
+			new JsonSlurper().parseText(wiremockStub) == new JsonSlurper().parseText('''
+{
+    "request": {
+        "method": "PUT",
+        "headers": {
+            "Content-Type": {
+                "equalTo": "application/vnd.fraud.v1+json"
+            }
+        },
+        "url": "/fraudcheck",
+        "bodyPatterns": [
+            {
+                "matches": "\\\\{\\"clientPesel\\":\\"[0-9]{10}\\",\\"loanAmount\\":123.123\\\\}"
+            }
+        ]
+    },
+    "response": {
+        "status": 200,
+        "headers": {
+            "Content-Type": "application/vnd.fraud.v1+json"
+        },
+        "body": "{\\"fraudCheckStatus\\":\\"OK\\",\\"rejectionReason\\":null}"
+    }
+}
+''')
+		and:
+			stubMappingIsValidWiremockStub(wiremockStub)
+	}
+
 
 	def "should generate stub with GET"() {
 		given: