diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8964b3e02..27034ef07 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -143,7 +143,7 @@ IF (USE_HDF5 OR ENABLE_NETCDF_4)
 
   # Check to see if H5Z_SZIP exists in HDF5_Libraries. If so, we must use szip.
   #CHECK_LIBRARY_EXISTS(${HDF5_LIBRARIES} H5Z_SZIP "" USE_SZIP)
-  #IF(USE_SZIP)
+  IF(USE_SZIP)
     	FIND_PACKAGE(SZIP)
 	#FIND_LIBRARY(SZIP_LIBRARY NAMES szip sz)
   	IF(NOT SZIP_LIBRARY)
@@ -151,7 +151,7 @@ IF (USE_HDF5 OR ENABLE_NETCDF_4)
   	ELSE()
 		MESSAGE(STATUS "Found SZip: ${SZIP_LIBRARY}")
   	ENDIF()
-  #ENDIF()
+  ENDIF()
 
   FIND_LIBRARY(ZLIB_LIBRARY NAMES zlibwapi zlibstat zlib zlib1 z)
   IF(NOT ZLIB_LIBRARY)