diff --git a/common/drc_rules.keywords b/common/drc_rules.keywords
index ddb8f223d3..5565c4bed3 100644
--- a/common/drc_rules.keywords
+++ b/common/drc_rules.keywords
@@ -32,4 +32,6 @@ courtyard_clearance
 silk_to_pad
 silk_to_silk
 skew
-diff_pair
\ No newline at end of file
+diff_pair_gap
+diff_pair_uncoupled
+via_count
\ No newline at end of file
diff --git a/pcbnew/drc/drc_rule_parser.cpp b/pcbnew/drc/drc_rule_parser.cpp
index f7835a43a9..f5bc307b67 100644
--- a/pcbnew/drc/drc_rule_parser.cpp
+++ b/pcbnew/drc/drc_rule_parser.cpp
@@ -284,6 +284,7 @@ void DRC_RULES_PARSER::parseConstraint( DRC_RULE* aRule )
     case T_disallow:            constraint.m_Type = DRC_CONSTRAINT_TYPE_DISALLOW;            break;
     case T_length:              constraint.m_Type = DRC_CONSTRAINT_TYPE_LENGTH;              break;
     case T_skew:                constraint.m_Type = DRC_CONSTRAINT_TYPE_SKEW;                break;
+    case T_via_count:           constraint.m_Type = DRC_CONSTRAINT_TYPE_VIA_COUNT;           break;
     default:
     // fixme: message
         msg.Printf( _( "Unrecognized item '%s'.| Expected %s." ),