diff --git a/commons-macros/src/main/scala/com/avsystem/commons/macros/MacroCommons.scala b/commons-macros/src/main/scala/com/avsystem/commons/macros/MacroCommons.scala
index 3e4d2e42c..c16416585 100644
--- a/commons-macros/src/main/scala/com/avsystem/commons/macros/MacroCommons.scala
+++ b/commons-macros/src/main/scala/com/avsystem/commons/macros/MacroCommons.scala
@@ -823,8 +823,10 @@ trait MacroCommons { bundle =>
     case t => t
   }
 
-  def isSealedHierarchyRoot(sym: Symbol): Boolean =
+  def isSealedHierarchyRoot(sym: Symbol): Boolean = {
+    sym.info // force loading of type information, sometimes it may be missing when loading from classfile
     sym.isClass && sym.isAbstract && sym.asClass.isSealed
+  }
 
   def knownNonAbstractSubclasses(sym: Symbol): Set[Symbol] =
     sym.asClass.knownDirectSubclasses.flatMap { s =>
diff --git a/version.sbt b/version.sbt
index 720427bb2..f82fae68e 100644
--- a/version.sbt
+++ b/version.sbt
@@ -1 +1 @@
-version in ThisBuild := "1.29.0"
+version in ThisBuild := "1.29.1"