diff --git a/math/Makefile b/math/Makefile
index 240ca765413b..a4ae34bbb2cb 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -349,6 +349,7 @@
     SUBDIR += unixstat
     SUBDIR += vtk
     SUBDIR += vtk43
+    SUBDIR += vtk43-headers
     SUBDIR += vtk-data
     SUBDIR += vtk-examples
     SUBDIR += vtk-headers
diff --git a/math/vtk43-headers/Makefile b/math/vtk43-headers/Makefile
index 55dd337219b0..61828ed7fd06 100644
--- a/math/vtk43-headers/Makefile
+++ b/math/vtk43-headers/Makefile
@@ -5,6 +5,8 @@
 # $FreeBSD$
 #
 
+PORTEPOCH=	1
+
 PKGNAMESUFFIX=	-headers
 
 COMMENT=	The Visualization Toolkit C++ headers, CMake includes, Doxygen