diff --git a/libs/ui/inputs/src/lib/button/button.component.css b/libs/ui/inputs/src/lib/button/button.component.css
index d458e57363..b9f88ddab8 100644
--- a/libs/ui/inputs/src/lib/button/button.component.css
+++ b/libs/ui/inputs/src/lib/button/button.component.css
@@ -1,5 +1,5 @@
 /* makes sure icons will not make the buttons grow vertically */
-mat-icon.mat-icon {
+:host /deep/ mat-icon.mat-icon {
   margin-top: -0.3em;
   margin-bottom: -0.3em;
 }