diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7151e8329..1902bbca1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1727,9 +1727,9 @@ IF(USE_HDF5)
   add_subdirectory(libsrc4)
 ENDIF(USE_HDF5)
 
-IF(USE_HDF4)
+IF(ENABLE_HDF4)
   add_subdirectory(libhdf4)
-ENDIF(USE_HDF4)
+ENDIF(ENABLE_HDF4)
 
 IF(ENABLE_DAP2)
   ADD_SUBDIRECTORY(oc2)