diff --git a/app/build.gradle b/app/build.gradle
index a851d67..f44e6d8 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -8,8 +8,8 @@ android {
         applicationId "com.github.axet.audiorecorder"
         minSdkVersion 9
         targetSdkVersion 23
-        versionCode 184
-        versionName "3.0.19"
+        versionCode 185
+        versionName "3.0.20"
     }
     signingConfigs {
         release {
diff --git a/app/src/main/java/com/github/axet/audiorecorder/activities/RecordingActivity.java b/app/src/main/java/com/github/axet/audiorecorder/activities/RecordingActivity.java
index dce9fb3..91c9db5 100644
--- a/app/src/main/java/com/github/axet/audiorecorder/activities/RecordingActivity.java
+++ b/app/src/main/java/com/github/axet/audiorecorder/activities/RecordingActivity.java
@@ -613,7 +613,7 @@ public class RecordingActivity extends AppCompatActivity {
 
         pitch.record();
 
-        AudioRecord rec = null;
+        AudioRecord rec;
 
         int c = MainApplication.getInMode(RecordingActivity.this);
         int min = AudioRecord.getMinBufferSize(sampleRate, c, Sound.DEFAULT_AUDIOFORMAT);