diff --git a/CMakeLists.txt b/CMakeLists.txt
index dcbc6f909..c631281fd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,6 +12,8 @@ set (HAVE_CMAKE true)
 project (task)
 set (PROJECT_VERSION "2.4.1")
 
+OPTION(USE_GNUTLS "Build gnutls support." ON)
+
 message ("CMAKE_SYSTEM_NAME ${CMAKE_SYSTEM_NAME}")
 set (CMAKE_CXX_FLAGS "-std=c++11")
 if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
@@ -74,13 +76,15 @@ set (PACKAGE_TARNAME "${PACKAGE}")
 set (PACKAGE_VERSION "${VERSION}")
 set (PACKAGE_STRING "${PACKAGE} ${VERSION}")
 
-message ("-- Looking for GnuTLS")
-find_package (GnuTLS)
-if (GNUTLS_FOUND)
-  set (HAVE_LIBGNUTLS true)
-  set (TASK_INCLUDE_DIRS ${TASK_INCLUDE_DIRS} ${GNUTLS_INCLUDE_DIR})
-  set (TASK_LIBRARIES    ${TASK_LIBRARIES}    ${GNUTLS_LIBRARIES})
-endif (GNUTLS_FOUND)
+if (USE_GNUTLS)
+   message ("-- Looking for GnuTLS")
+   find_package (GnuTLS)
+   if (GNUTLS_FOUND)
+     set (HAVE_LIBGNUTLS true)
+     set (TASK_INCLUDE_DIRS ${TASK_INCLUDE_DIRS} ${GNUTLS_INCLUDE_DIR})
+     set (TASK_LIBRARIES    ${TASK_LIBRARIES}    ${GNUTLS_LIBRARIES})
+   endif (GNUTLS_FOUND)
+endif (USE_GNUTLS)
 
 #message ("-- Looking for pthread")
 #find_path (PTHREAD_INCLUDE_DIR pthread.h)