diff --git a/scss/_popover.scss b/scss/_popover.scss
index 674a8f31f634f253eb0c3e6c02a0aff644f46fa3..39f5542eda0ad804e3c3b8c9be863535d53e1466 100644
--- a/scss/_popover.scss
+++ b/scss/_popover.scss
@@ -12,7 +12,7 @@
   font-size: $font-size-sm;
   background-color: $popover-bg;
   background-clip: padding-box;
-  border: 1px solid $popover-border-color;
+  border: $popover-border-width solid $popover-border-color;
   @include border-radius($border-radius-lg);
   @include box-shadow(0 5px 10px rgba(0,0,0,.2));
 
@@ -107,7 +107,7 @@
   margin: 0; // reset heading margin
   font-size: $font-size-base;
   background-color: $popover-title-bg;
-  border-bottom: 1px solid darken($popover-title-bg, 5%);
+  border-bottom: $popover-border-width solid darken($popover-title-bg, 5%);
   @include border-radius(($border-radius-lg - 1) ($border-radius-lg - 1) 0 0);
 }
 
diff --git a/scss/_variables.scss b/scss/_variables.scss
index 7cd1b81a95f9bd6cc7a4ac65ba944c8a0cefe3ed..13177bc10e721349204050d8ef1ae3ee73a2303c 100644
--- a/scss/_variables.scss
+++ b/scss/_variables.scss
@@ -479,6 +479,7 @@ $tooltip-arrow-color:         $tooltip-bg !default;
 
 $popover-bg:                          #fff !default;
 $popover-max-width:                   276px !default;
+$popover-border-width:                $border-width !default;
 $popover-border-color:                rgba(0,0,0,.2) !default;
 
 $popover-title-bg:                    darken($popover-bg, 3%) !default;