diff --git a/formatters/BasicFormatter.php b/formatters/BasicFormatter.php
index 8d3bce35c..f9f1aa612 100644
--- a/formatters/BasicFormatter.php
+++ b/formatters/BasicFormatter.php
@@ -191,6 +191,10 @@ class EchoBasicFormatter extends EchoNotificationFormatter {
 			if ( !isset( $iconInfo['path'] ) || !$iconInfo['path'] ) {
 				// Fallback in case icon is not configured; mainly intended for 'site'
 				$iconInfo = $wgEchoNotificationIcons['placeholder'];
+			} else {
+				if ( is_callable( $iconInfo['path'] ) ) {
+					$iconInfo['path'] = call_user_func( $iconInfo['path'] );
+				}
 			}
 			$iconUrl = "$wgExtensionAssetsPath/{$iconInfo['path']}";
 		}
diff --git a/includes/EmailFormatter.php b/includes/EmailFormatter.php
index 61b23e3ad..fcfba2c32 100644
--- a/includes/EmailFormatter.php
+++ b/includes/EmailFormatter.php
@@ -177,6 +177,10 @@ abstract class EchoEmailMode {
 		} else {
 			if ( !isset( $iconInfo['path'] ) || !$iconInfo['path'] ) {
 				$iconInfo = $wgEchoNotificationIcons['placeholder'];
+			} else {
+				if ( is_callable( $iconInfo['path'] ) ) {
+					$iconInfo['path'] = call_user_func( $iconInfo['path'] );
+				}
 			}
 			$iconUrl = "$wgExtensionAssetsPath/{$iconInfo['path']}";
 		}