diff --git a/Modules/ThirdParty/VNL/src/vxl/CMakeLists.txt b/Modules/ThirdParty/VNL/src/vxl/CMakeLists.txt
index c5c71a6e042..71dc02ff7f0 100644
--- a/Modules/ThirdParty/VNL/src/vxl/CMakeLists.txt
+++ b/Modules/ThirdParty/VNL/src/vxl/CMakeLists.txt
@@ -16,9 +16,7 @@ SUBDIRS(vcl v3p core)
 
 # Standard include directories.
 SET(VXLCORE_INCLUDE_DIR ${vxl_BINARY_DIR}/core ${vxl_SOURCE_DIR}/core)
-SET(VXLCORE_INSTALL_INCLUDE_DIR ${CMAKE_INSTALL_PREFIX}/include/vxl/core)
 SET(VCL_INCLUDE_DIR ${vxl_BINARY_DIR}/vcl ${vxl_SOURCE_DIR}/vcl)
-SET(VCL_INSTALL_INCLUDE_DIR ${CMAKE_INSTALL_PREFIX}/include/vxl/vcl)
 
 INCLUDE_DIRECTORIES(${VCL_INCLUDE_DIR} ${VXLCORE_INCLUDE_DIR})
 
diff --git a/Modules/ThirdParty/VNL/src/vxl/core/CMakeLists.txt b/Modules/ThirdParty/VNL/src/vxl/core/CMakeLists.txt
index e63f82e64a7..c00eb0079e7 100644
--- a/Modules/ThirdParty/VNL/src/vxl/core/CMakeLists.txt
+++ b/Modules/ThirdParty/VNL/src/vxl/core/CMakeLists.txt
@@ -7,7 +7,7 @@ SET(global_sources
 )
 
 IF(NOT VXL_INSTALL_NO_DEVELOPMENT)
-  INSTALL_NOBASE_HEADER_FILES(${VXL_INSTALL_INCLUDE_DIR}/core ${global_sources})
+  INSTALL_NOBASE_HEADER_FILES(${VXL_INSTALL_INCLUDE_DIR} ${global_sources})
 ENDIF(NOT VXL_INSTALL_NO_DEVELOPMENT)
 
 # common test executable
diff --git a/Modules/ThirdParty/VNL/src/vxl/core/vnl/CMakeLists.txt b/Modules/ThirdParty/VNL/src/vxl/core/vnl/CMakeLists.txt
index 0a9858af507..832185769fb 100644
--- a/Modules/ThirdParty/VNL/src/vxl/core/vnl/CMakeLists.txt
+++ b/Modules/ThirdParty/VNL/src/vxl/core/vnl/CMakeLists.txt
@@ -260,7 +260,7 @@ ADD_LIBRARY(itkvnl ${vnl_sources})
 TARGET_LINK_LIBRARIES( itkvnl itkvcl )
 
 IF(NOT VXL_INSTALL_NO_DEVELOPMENT)
-  INSTALL_NOBASE_HEADER_FILES(${VXL_INSTALL_INCLUDE_DIR}/core/vnl ${vnl_sources})
+  INSTALL_NOBASE_HEADER_FILES(${VXL_INSTALL_INCLUDE_DIR}/vnl ${vnl_sources})
 ENDIF(NOT VXL_INSTALL_NO_DEVELOPMENT)
 
 IF(ITK_LIBRARY_PROPERTIES)
diff --git a/Modules/ThirdParty/VNL/src/vxl/core/vnl/algo/CMakeLists.txt b/Modules/ThirdParty/VNL/src/vxl/core/vnl/algo/CMakeLists.txt
index a807ff5616c..cb5a35bedab 100644
--- a/Modules/ThirdParty/VNL/src/vxl/core/vnl/algo/CMakeLists.txt
+++ b/Modules/ThirdParty/VNL/src/vxl/core/vnl/algo/CMakeLists.txt
@@ -115,7 +115,7 @@ IF(NETLIB_FOUND)
       ARCHIVE DESTINATION ${VXL_INSTALL_ARCHIVE_DIR} COMPONENT Development)
   ENDIF(NOT VXL_INSTALL_NO_LIBRARIES)
   IF(NOT VXL_INSTALL_NO_DEVELOPMENT)
-    INSTALL_NOBASE_HEADER_FILES(${VXL_INSTALL_INCLUDE_DIR}/core/vnl/algo ${vnl_algo_sources})
+    INSTALL_NOBASE_HEADER_FILES(${VXL_INSTALL_INCLUDE_DIR}/vnl/algo ${vnl_algo_sources})
   ENDIF(NOT VXL_INSTALL_NO_DEVELOPMENT)
 
   IF( BUILD_TESTING )
diff --git a/Modules/ThirdParty/VNL/src/vxl/v3p/netlib/CMakeLists.txt b/Modules/ThirdParty/VNL/src/vxl/v3p/netlib/CMakeLists.txt
index c76f2b4cab0..59a8c0c0fc2 100644
--- a/Modules/ThirdParty/VNL/src/vxl/v3p/netlib/CMakeLists.txt
+++ b/Modules/ThirdParty/VNL/src/vxl/v3p/netlib/CMakeLists.txt
@@ -434,7 +434,7 @@ IF(NOT VXL_INSTALL_NO_LIBRARIES)
     ARCHIVE DESTINATION ${VXL_INSTALL_ARCHIVE_DIR} COMPONENT Development)
 ENDIF(NOT VXL_INSTALL_NO_LIBRARIES)
 IF(NOT VXL_INSTALL_NO_DEVELOPMENT)
-  INSTALL_NOBASE_HEADER_FILES(${VXL_INSTALL_INCLUDE_DIR}/v3p/netlib ${v3p_netlib_sources})
+  INSTALL_NOBASE_HEADER_FILES(${VXL_INSTALL_INCLUDE_DIR} ${v3p_netlib_sources})
 ENDIF(NOT VXL_INSTALL_NO_DEVELOPMENT)
 
 SUBDIRS(linalg)
diff --git a/Modules/ThirdParty/VNL/src/vxl/v3p/netlib/linalg/CMakeLists.txt b/Modules/ThirdParty/VNL/src/vxl/v3p/netlib/linalg/CMakeLists.txt
index 9220a7a74e5..7de7a5bedf9 100644
--- a/Modules/ThirdParty/VNL/src/vxl/v3p/netlib/linalg/CMakeLists.txt
+++ b/Modules/ThirdParty/VNL/src/vxl/v3p/netlib/linalg/CMakeLists.txt
@@ -25,5 +25,5 @@ IF(NOT VXL_INSTALL_NO_LIBRARIES)
     ARCHIVE DESTINATION ${VXL_INSTALL_ARCHIVE_DIR} COMPONENT Development)
 ENDIF(NOT VXL_INSTALL_NO_LIBRARIES)
 IF(NOT VXL_INSTALL_NO_DEVELOPMENT)
-  INSTALL_NOBASE_HEADER_FILES(${VXL_INSTALL_INCLUDE_DIR}/v3p/netlib ${V3P_NETLIB_lsqr_SOURCES})
+  INSTALL_NOBASE_HEADER_FILES(${VXL_INSTALL_INCLUDE_DIR} ${V3P_NETLIB_lsqr_SOURCES})
 ENDIF(NOT VXL_INSTALL_NO_DEVELOPMENT)
diff --git a/Modules/ThirdParty/VNL/src/vxl/vcl/CMakeLists.txt b/Modules/ThirdParty/VNL/src/vxl/vcl/CMakeLists.txt
index ad4c20422e1..bfee21e9d32 100644
--- a/Modules/ThirdParty/VNL/src/vxl/vcl/CMakeLists.txt
+++ b/Modules/ThirdParty/VNL/src/vxl/vcl/CMakeLists.txt
@@ -388,7 +388,7 @@ IF(NOT VXL_INSTALL_NO_LIBRARIES)
     ARCHIVE DESTINATION ${VXL_INSTALL_ARCHIVE_DIR} COMPONENT Development)
 ENDIF(NOT VXL_INSTALL_NO_LIBRARIES)
 IF(NOT VXL_INSTALL_NO_DEVELOPMENT)
-  INSTALL_NOBASE_HEADER_FILES(${VXL_INSTALL_INCLUDE_DIR}/vcl ${vcl_sources})
+  INSTALL_NOBASE_HEADER_FILES(${VXL_INSTALL_INCLUDE_DIR} ${vcl_sources})
 ENDIF(NOT VXL_INSTALL_NO_DEVELOPMENT)
 
 # INCLUDE( ${vxl_SOURCE_DIR}/vcl/LinkSTLPort.cmake )
diff --git a/Modules/ThirdParty/VNL/src/vxl/vcl/vcl_sys/CMakeLists.txt b/Modules/ThirdParty/VNL/src/vxl/vcl/vcl_sys/CMakeLists.txt
index 61e95297250..b88df65ec5a 100644
--- a/Modules/ThirdParty/VNL/src/vxl/vcl/vcl_sys/CMakeLists.txt
+++ b/Modules/ThirdParty/VNL/src/vxl/vcl/vcl_sys/CMakeLists.txt
@@ -1,3 +1,3 @@
 IF(NOT VXL_INSTALL_NO_DEVELOPMENT)
-  INSTALL_FILES(${VXL_INSTALL_INCLUDE_DIR}/vcl/vcl_sys "(\\.h|\\.txx)$")
+  INSTALL_FILES(${VXL_INSTALL_INCLUDE_DIR}/vcl_sys "(\\.h|\\.txx)$")
 ENDIF(NOT VXL_INSTALL_NO_DEVELOPMENT)