diff --git a/openvdb/openvdb/Types.h b/openvdb/openvdb/Types.h
index a1d6a9f..f6ecb19 100644
--- a/openvdb/openvdb/Types.h
+++ b/openvdb/openvdb/Types.h
@@ -10,9 +10,9 @@
 
 #ifdef OPENVDB_USE_IMATH_HALF
 #ifdef OPENVDB_IMATH_VERSION
-#include <Imath/half.h>
+#include <Imath-3/half.h>
 #else
-#include <OpenEXR/half.h>
+#include <OpenEXR-3/half.h>
 #endif
 namespace openvdb {
 OPENVDB_USE_VERSION_NAMESPACE
