diff --git a/src/_custom-controls.scss b/src/_custom-controls.scss
index e7084d5bae5..782e5338629 100644
--- a/src/_custom-controls.scss
+++ b/src/_custom-controls.scss
@@ -106,10 +106,14 @@
       // Handle input group sizing
       .input-group.input-group-sm & {
         min-height: calc(#{$input-height-sm} - #{$input-height-border});
+        padding-top: $input-padding-y-sm;
+        padding-bottom: $input-padding-y-sm
       }
 
       .input-group.input-group-lg & {
         min-height: calc(#{$input-height-lg} - #{$input-height-border});
+        padding-top: $input-padding-y-lg;
+        padding-bottom: $input-padding-y-lg
       }
     }
   }