diff --git a/app/src/main/kotlin/com/simplemobiletools/calendar/activities/SettingsActivity.kt b/app/src/main/kotlin/com/simplemobiletools/calendar/activities/SettingsActivity.kt
index 510923dc7..13fe53299 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calendar/activities/SettingsActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calendar/activities/SettingsActivity.kt
@@ -12,6 +12,7 @@ import android.widget.ArrayAdapter
 import com.simplemobiletools.calendar.R
 import com.simplemobiletools.calendar.dialogs.EventReminderDialog
 import com.simplemobiletools.calendar.extensions.config
+import com.simplemobiletools.calendar.extensions.dbHelper
 import com.simplemobiletools.calendar.extensions.getReminderText
 import com.simplemobiletools.commons.extensions.toast
 import com.simplemobiletools.commons.extensions.updateTextColors
@@ -23,6 +24,8 @@ class SettingsActivity : SimpleActivity() {
     private val REQUEST_ACCOUNT_NAME = 3
     private val REQUEST_GOOGLE_PLAY_SERVICES = 4
 
+    private var mStoredPrimaryColor = 0
+
     companion object {
         val REQUEST_AUTHORIZATION = 5
     }
@@ -51,6 +54,24 @@ class SettingsActivity : SimpleActivity() {
         setupReminderSound()
         setupEventReminder()
         updateTextColors(settings_holder)
+        checkPrimaryColor()
+    }
+
+    override fun onPause() {
+        super.onPause()
+        mStoredPrimaryColor = config.primaryColor
+    }
+
+    private fun checkPrimaryColor() {
+        if (config.primaryColor != mStoredPrimaryColor) {
+            dbHelper.getEventTypes {
+                if (it.size == 1) {
+                    val eventType = it[0]
+                    eventType.color = config.primaryColor
+                    dbHelper.updateEventType(eventType)
+                }
+            }
+        }
     }
 
     private fun setupCustomizeColors() {
diff --git a/app/src/main/kotlin/com/simplemobiletools/calendar/extensions/Context.kt b/app/src/main/kotlin/com/simplemobiletools/calendar/extensions/Context.kt
index 34b91e17e..b6ca00920 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calendar/extensions/Context.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calendar/extensions/Context.kt
@@ -162,3 +162,5 @@ fun Context.launchNewEventIntent(startNewTask: Boolean = false, today: Boolean =
 fun Context.getNewEventTimestampFromCode(dayCode: String) = Formatter.getLocalDateTimeFromCode(dayCode).withTime(13, 0, 0, 0).seconds()
 
 val Context.config: Config get() = Config.newInstance(this)
+
+val Context.dbHelper: DBHelper get() = DBHelper.newInstance(this)