diff --git a/ports/geckolib/properties.mako.rs b/ports/geckolib/properties.mako.rs
index 534733c1c77..91400bc5b54 100644
--- a/ports/geckolib/properties.mako.rs
+++ b/ports/geckolib/properties.mako.rs
@@ -434,7 +434,8 @@ fn static_assert() {
 <% border_style_keyword = Keyword("border-style",
                                   "none solid double dotted dashed hidden groove ridge inset outset") %>
 
-<% skip_border_longhands = " ".join(["border-{0}-style border-{0}-width ".format(x.ident) for x in SIDES]) %>
+<% skip_border_longhands = " ".join(["border-{0}-color border-{0}-style border-{0}-width ".format(x.ident)
+                                     for x in SIDES]) %>
 <%self:impl_trait style_struct_name="Border"
                   skip_longhands="${skip_border_longhands}"
                   skip_additionals="*">
@@ -443,6 +444,9 @@ fn static_assert() {
     <% impl_keyword("border_%s_style" % side.ident, "mBorderStyle[%s]" % side.index, border_style_keyword,
                     need_clone=True) %>
 
+    <% impl_color("border_%s_color" % side.ident, "mBorderColor[%s]" % side.index,
+                  color_flags_ffi_name="mBorderStyle[%s]" % side.index) %>
+
     <% impl_app_units("border_%s_width" % side.ident, "mComputedBorder.%s" % side.ident, need_clone=False) %>
 
     fn border_${side.ident}_has_nonzero_width(&self) -> bool {