diff --git a/src/app/cdk/panel/panel-source/panel-source.component.html b/src/app/cdk/panel/panel-source/panel-source.component.html
index 5d15877d6..c78c3add4 100644
--- a/src/app/cdk/panel/panel-source/panel-source.component.html
+++ b/src/app/cdk/panel/panel-source/panel-source.component.html
@@ -22,7 +22,8 @@
+ [attr.alt]="selftAssertedSource"
+ >
check_circle
+ [attr.alt]="selftAssertedSource"
+ >
check_circle