diff --git a/src/components/style/properties.rs.mako b/src/components/style/properties.rs.mako
index db8cf392722..64ab24039b4 100644
--- a/src/components/style/properties.rs.mako
+++ b/src/components/style/properties.rs.mako
@@ -318,6 +318,13 @@ pub mod longhands {
                       "computed::LPN_None",
                       "parse_non_negative")}
 
+    ${predefined_type("min-height", "LengthOrPercentage",
+                      "computed::LP_Length(Au(0))",
+                      "parse_non_negative")}
+    ${predefined_type("max-height", "LengthOrPercentageOrNone",
+                      "computed::LPN_None",
+                      "parse_non_negative")}
+
     ${new_style_struct("InheritedBox", is_inherited=True)}
 
     <%self:single_component_value name="line-height">