diff --git a/rxviacep/src/main/java/br/gunna/rxviacep/RxErrorHandlingCallAdapterFactory.java b/rxviacep/src/main/java/br/gunna/rxviacep/RxErrorHandlingCallAdapterFactory.java
index b2f409e..8edfdd3 100644
--- a/rxviacep/src/main/java/br/gunna/rxviacep/RxErrorHandlingCallAdapterFactory.java
+++ b/rxviacep/src/main/java/br/gunna/rxviacep/RxErrorHandlingCallAdapterFactory.java
@@ -1,26 +1,25 @@
 /**
- MIT License
-
- Copyright (c) 2018 Daniel Gunna
-
- Permission is hereby granted, free of charge, to any person obtaining a copy
- of this software and associated documentation files (the "Software"), to deal
- in the Software without restriction, including without limitation the rights
- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- copies of the Software, and to permit persons to whom the Software is
- furnished to do so, subject to the following conditions:
-
- The above copyright notice and this permission notice shall be included in all
- copies or substantial portions of the Software.
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- SOFTWARE.
-
+ * MIT License
+ * <p>
+ * Copyright (c) 2018 Daniel Gunna
+ * <p>
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * <p>
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ * <p>
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
  */
 
 
@@ -76,7 +75,12 @@ public Type responseType() {
         @Override
         public Observable<?> adapt(Call call) {
             return ((Observable) wrapped.adapt(call))
-                    .onErrorResumeNext(throwable -> Observable.error(asRetrofitException(throwable)));
+                    .onErrorResumeNext(new Func1<Throwable, Observable>() {
+                        @Override
+                        public Observable call(Throwable throwable) {
+                            return Observable.error(asRetrofitException(throwable));
+                        }
+                    });
         }
 
         private RetrofitException asRetrofitException(Throwable throwable) {