diff --git a/ThirdParty/ioss/CMakeLists.txt b/ThirdParty/ioss/CMakeLists.txt
index 3066c4bb5..44e1eb1bf 100644
--- a/ThirdParty/ioss/CMakeLists.txt
+++ b/ThirdParty/ioss/CMakeLists.txt
@@ -5,7 +5,7 @@ vtk_module_third_party(
     STANDARD_INCLUDE_DIRS
   EXTERNAL
     PACKAGE SEACASIoss
-    TARGETS Ioss
+    TARGETS Ioss Ionit
     USE_VARIABLES SEACASIoss_INCLUDE_DIRS
     STANDARD_INCLUDE_DIRS)
 
diff --git a/IO/IOSS/vtkIOSSReader.cxx b/IO/IOSS/vtkIOSSReader.cxx
index 04de56cb20..b905e84a3e 100644
--- a/IO/IOSS/vtkIOSSReader.cxx
+++ b/IO/IOSS/vtkIOSSReader.cxx
@@ -61,6 +61,7 @@
 #include VTK_IOSS(Ioss_SideBlock.h)
 #include VTK_IOSS(Ioss_SideSet.h)
 #include VTK_IOSS(Ioss_StructuredBlock.h)
+#include VTK_IOSS(Iotr_Factory.h)
 // clang-format on
 
 #include <array>