diff --git a/app/assets/javascripts/templates/price_breakdown_button.html.haml b/app/assets/javascripts/templates/price_breakdown_button.html.haml
index 8a86ed2618..e5dbbe7123 100644
--- a/app/assets/javascripts/templates/price_breakdown_button.html.haml
+++ b/app/assets/javascripts/templates/price_breakdown_button.html.haml
@@ -1,2 +1,2 @@
 %button.graph-button{"ng-class" => "{open: tt_isOpen}"}
-  %i.ofn-i-058-graph
+  %i.ofn-i_058-graph
diff --git a/app/assets/stylesheets/darkswarm/_shop-popovers.css.sass b/app/assets/stylesheets/darkswarm/_shop-popovers.css.sass
index 6fa8a72c1b..e1eb2cd448 100644
--- a/app/assets/stylesheets/darkswarm/_shop-popovers.css.sass
+++ b/app/assets/stylesheets/darkswarm/_shop-popovers.css.sass
@@ -87,10 +87,10 @@ button.graph-button
 
   &:hover, &:active, &:focus
     background-color: rgba(255,255,255,1)
-    i.ofn-i-058-graph
+    i.ofn-i_058-graph
       color: $clr-brick-bright
 
-  i.ofn-i-058-graph
+  i.ofn-i_058-graph
     color: #999
     margin: 0
     padding: 0
@@ -98,7 +98,7 @@ button.graph-button
 
   @media all and (max-width: 640px) 
     padding: 3px
-    i.ofn-i-058-graph
+    i.ofn-i_058-graph
       font-size: 0.75rem 
 
 button.graph-button.open
@@ -107,10 +107,10 @@ button.graph-button.open
   
   &:hover, &:active, &:focus
     background-color: rgba(255,255,255,1)
-    i.ofn-i-058-graph
+    i.ofn-i_058-graph
       color: $clr-brick-bright
 
-  i.ofn-i-058-graph
+  i.ofn-i_058-graph
     color: $clr-brick