diff --git a/uhabits-android/src/androidTest/java/org/isoron/uhabits/BaseAndroidTest.java b/uhabits-android/src/androidTest/java/org/isoron/uhabits/BaseAndroidTest.java
index b874a3915..ec6dcaa0e 100644
--- a/uhabits-android/src/androidTest/java/org/isoron/uhabits/BaseAndroidTest.java
+++ b/uhabits-android/src/androidTest/java/org/isoron/uhabits/BaseAndroidTest.java
@@ -71,7 +71,8 @@ public class BaseAndroidTest extends TestCase
 
     protected ModelFactory modelFactory;
 
-    @Override
+    private boolean isDone = false;
+
     @Before
     public void setUp()
     {
@@ -137,6 +138,25 @@ public class BaseAndroidTest extends TestCase
         InterfaceUtils.setFixedResolution(r);
     }
 
+    protected void runConcurrently(Runnable... runnableList) throws Exception
+    {
+        isDone = false;
+        ExecutorService executor = Executors.newFixedThreadPool(100);
+        List<Future> futures = new LinkedList<>();
+        for (Runnable r : runnableList)
+            futures.add(executor.submit(() ->
+            {
+                while (!isDone) r.run();
+                return null;
+            }));
+
+        Thread.sleep(3000);
+        isDone = true;
+        executor.shutdown();
+        for(Future f : futures) f.get();
+        while (!executor.isTerminated()) Thread.sleep(50);
+    }
+
     protected void setTheme(@StyleRes int themeId)
     {
         targetContext.setTheme(themeId);
diff --git a/uhabits-android/src/main/AndroidManifest.xml b/uhabits-android/src/main/AndroidManifest.xml
index 9e8e8ae48..39875d05d 100644
--- a/uhabits-android/src/main/AndroidManifest.xml
+++ b/uhabits-android/src/main/AndroidManifest.xml
@@ -20,8 +20,8 @@
 <manifest
     package="org.isoron.uhabits"
     xmlns:android="http://schemas.android.com/apk/res/android"
-    android:versionCode="31"
-    android:versionName="1.7.4">
+    android:versionCode="32"
+    android:versionName="1.7.5">
 
     <uses-permission android:name="android.permission.VIBRATE"/>
 
diff --git a/uhabits-android/src/main/java/org/isoron/uhabits/activities/common/views/FrequencyChart.java b/uhabits-android/src/main/java/org/isoron/uhabits/activities/common/views/FrequencyChart.java
index 42d664437..f6f24e5d4 100644
--- a/uhabits-android/src/main/java/org/isoron/uhabits/activities/common/views/FrequencyChart.java
+++ b/uhabits-android/src/main/java/org/isoron/uhabits/activities/common/views/FrequencyChart.java
@@ -258,7 +258,7 @@ public class FrequencyChart extends ScrollableChart
         float scale = 1.0f/maxFreq * value;
         float radius = maxRadius * scale;
 
-        int colorIndex = Math.round((colors.length-1) * scale);
+        int colorIndex = Math.min(colors.length - 1, Math.round((colors.length - 1) * scale));
         pGraph.setColor(colors[colorIndex]);
         canvas.drawCircle(rect.centerX(), rect.centerY(), radius, pGraph);
     }
diff --git a/uhabits-android/src/main/java/org/isoron/uhabits/receivers/ReminderController.java b/uhabits-android/src/main/java/org/isoron/uhabits/receivers/ReminderController.java
index d29655aa0..d28b7cabb 100644
--- a/uhabits-android/src/main/java/org/isoron/uhabits/receivers/ReminderController.java
+++ b/uhabits-android/src/main/java/org/isoron/uhabits/receivers/ReminderController.java
@@ -29,6 +29,8 @@ import org.isoron.uhabits.core.utils.*;
 
 import javax.inject.*;
 
+import static org.isoron.uhabits.utils.DateUtils.*;
+
 @ReceiverScope
 public class ReminderController
 {
@@ -67,7 +69,7 @@ public class ReminderController
     {
         long snoozeInterval = preferences.getSnoozeInterval();
 
-        long now = DateUtils.getLocalTime();
+        long now = applyTimezone(getLocalTime());
         long reminderTime = now + snoozeInterval * 60 * 1000;
 
         reminderScheduler.schedule(habit, reminderTime);