diff --git a/readme.txt b/readme.txt
index 234191a..48a0633 100755
--- a/readme.txt
+++ b/readme.txt
@@ -28,13 +28,13 @@ Using WP-Strava 2.0+ requires a working WordPress cron configuration. By default
 
 Embed an activity in any page or post. Shows a summary of the activity plus a map if a google maps key has been added.
 
-Paste in the full activity URL from Strava, such as https://www.strava.com/activities/1793155844 and click "Embed." A preview map will be shown in the editor, similar to what will be displayed on the front-end. In the side-panel you can selection options to show the image only (without the details table), display markers at the start & finish points, and override the system of measure from your default selection under Settings -> Strava.
+Paste in the full activity URL from Strava, such as https://www.strava.com/activities/1793155844 and click "Embed." A preview map will be shown in the editor, similar to what will be displayed on the front-end. In the side-panel you can select options to show the image only (without the details table), display markers at the start & finish points, and override the system of measure from your default selection under Settings -> Strava.
 
 == Strava Route==
 
 Embed a route in any page or post. Shows a summary of the route plus a map if a google maps key has been added.
 
-Paste in the full route URL from Strava, such as https://www.strava.com/routes/2326567 and click "Embed." A preview map will be shown in the editor, similar to what will be displayed on the front-end. In the side-panel you can selection options to show the image only (without the details table), display markers at the start & finish points, and override the system of measure from your default selection under Settings -> Strava.
+Paste in the full route URL from Strava, such as https://www.strava.com/routes/2326567 and click "Embed." A preview map will be shown in the editor, similar to what will be displayed on the front-end. In the side-panel you can select options to show the image only (without the details table), display markers at the start & finish points, and override the system of measure from your default selection under Settings -> Strava.
 
 == Strava Activities List ==
 
@@ -44,7 +44,7 @@ Shows your most recent activities in a bulleted list.
 
 Embed a segment in a page or post. Shows a summary of the segment plugs a map if a google maps key has been added.
 
-Paste in the full segment URL from Strava, such as https://www.strava.com/segments/18803428 and click "Embed." A preview map will be shown in the editor, similar to what will be displayed on the front-end. In the side-panel you can selection options to show the image only (without the details table), display markers at the start & finish points, and override the system of measure from your default selection under Settings -> Strava.
+Paste in the full segment URL from Strava, such as https://www.strava.com/segments/18803428 and click "Embed." A preview map will be shown in the editor, similar to what will be displayed on the front-end. In the side-panel you can select options to show the image only (without the details table), display markers at the start & finish points, and override the system of measure from your default selection under Settings -> Strava.
 
 = Shortcodes =
 
@@ -132,6 +132,9 @@ On the WP-Strava settings page you cannot currently remove and add another athle
 
 == Changelog ==
 
+= 2.9.1 =
+Add conditional to look for zero/null/empty activity time to avoid exception https://wordpress.org/support/topic/exception-thrown-oceanwp-theme/
+
 = 2.9.0 =
 Added Segment Block https://wordpress.org/support/topic/show-segments-feature/ / https://wordpress.org/support/topic/embed-segments-feature/
 Switched Activities List to display moving time instead of elapsed time https://wordpress.org/support/topic/moving-time-instead-of-elapsed-time/
diff --git a/src/WPStrava/SOM.php b/src/WPStrava/SOM.php
index deaf7d0..f65532c 100644
--- a/src/WPStrava/SOM.php
+++ b/src/WPStrava/SOM.php
@@ -36,6 +36,10 @@ abstract public function get_pace_label();
 	 * @see https://stackoverflow.com/a/20870843/2146022
 	 */
 	public function time( $seconds ) {
+		if ( empty( $seconds ) ) {
+			return '';
+		}
+
 		$zero   = new DateTime( '@0' );
 		$offset = new DateTime( "@{$seconds}" );
 		$diff   = $zero->diff( $offset );
diff --git a/tests/WPStrava/SOMEnglishTest.php b/tests/WPStrava/SOMEnglishTest.php
index c6e5a5f..3791938 100644
--- a/tests/WPStrava/SOMEnglishTest.php
+++ b/tests/WPStrava/SOMEnglishTest.php
@@ -96,6 +96,18 @@ public function test_time_greater24h() {
 		$this->assertEquals( '61:24:31', $this->som->time( 221071 ) );
 	}
 
+	/**
+	 * Test that null or empty seconds input will return an empty string (not an exception).
+	 *
+	 * @author Justin Foell <justin@foell.org>
+	 * @since  2.9.1
+	 */
+	public function test_time_empty() {
+		$this->assertEquals( '', $this->som->time( '' ) );
+		$this->assertEquals( '', $this->som->time( null ) );
+		$this->assertEquals( '', $this->som->time( 0 ) );
+	}
+
 	/**
 	 * Test that 1304 calories is 1,304 using both string and int inputs.
 	 *