diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index a1d28ac..b88ba28 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -48,7 +48,11 @@
 #}
 -dontwarn okio.**
 -dontwarn retrofit2.Platform$Java8
--keepattributes Signature
+-keep class retrofit.** { *; }
+-keepclasseswithmembers class * {
+    @retrofit.http.* <methods>;
+}
+-keepattributes *Annotation*,Signature
 -keepattributes Exceptions
 -dontwarn okio.**
 -dontwarn javax.annotation.Nullable
diff --git a/app/src/main/java/apps/amine/bou/readerforselfoss/HomeActivity.kt b/app/src/main/java/apps/amine/bou/readerforselfoss/HomeActivity.kt
index 1aaf849..76ce987 100644
--- a/app/src/main/java/apps/amine/bou/readerforselfoss/HomeActivity.kt
+++ b/app/src/main/java/apps/amine/bou/readerforselfoss/HomeActivity.kt
@@ -1072,7 +1072,7 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
 
                                     if (debugReadingItems) {
                                         readAllDebug(
-                                            Throwable("Got response, but : response.body() (${response.body()}) != null && response.body()!!.isSuccess (${response.body()!!.isSuccess})")
+                                            Throwable("Got response, but : response.body() (${response.body()}) != null && response.body()!!.isSuccess (${response.body()?.isSuccess})")
                                         )
                                     }