diff --git a/app/assets/stylesheets/darkswarm/_shop-inputs.css.scss b/app/assets/stylesheets/darkswarm/_shop-inputs.css.scss
index 55f3309477..3cf5d6e497 100644
--- a/app/assets/stylesheets/darkswarm/_shop-inputs.css.scss
+++ b/app/assets/stylesheets/darkswarm/_shop-inputs.css.scss
@@ -9,6 +9,9 @@
 
   input#search {
     @include medium-input(rgba(0, 0, 0, 0.3), #777, $clr-brick);
+
+    // avoid zoom on iphone, see issue #4535
+    font-size: 1rem;
   }
 
   // ordering