diff --git a/include/crm/pengine/rules.h b/include/crm/pengine/rules.h
index ebd3148..37f092b 100644
--- a/include/crm/pengine/rules.h
+++ b/include/crm/pengine/rules.h
@@ -28,7 +28,9 @@ enum expression_type {
     loc_expr,
     role_expr,
     time_expr,
-    version_expr
+    version_expr,
+    rsc_expr,
+    op_expr
 };
 
 typedef struct pe_re_match_data {
diff --git a/lib/pengine/rules.c b/lib/pengine/rules.c
index fa9a222..130bada 100644
--- a/lib/pengine/rules.c
+++ b/lib/pengine/rules.c
@@ -189,6 +189,12 @@ find_expression_type(xmlNode * expr)
     if (safe_str_eq(tag, "date_expression")) {
         return time_expr;
 
+    } else if (safe_str_eq(tag, "rsc_expression")) {
+        return rsc_expr;
+
+    } else if (safe_str_eq(tag, "op_expression")) {
+        return op_expr;
+
     } else if (safe_str_eq(tag, XML_TAG_RULE)) {
         return nested_rule;