diff --git a/ThirdParty/Ert/CMakeLists.txt b/ThirdParty/Ert/CMakeLists.txt
index 332b1696e8..5e2e1e42b4 100644
--- a/ThirdParty/Ert/CMakeLists.txt
+++ b/ThirdParty/Ert/CMakeLists.txt
@@ -352,6 +352,9 @@ if (ENABLE_PYTHON)
    endif()
 endif()
 
-install(EXPORT ecl-config DESTINATION share/cmake/ecl)
+if (INSTALL_ERT)
+   install(EXPORT ecl-config DESTINATION share/cmake/ecl)
+endif()
+
 export(TARGETS ecl FILE eclConfig.cmake)
 export(PACKAGE ecl)
diff --git a/ThirdParty/Ert/lib/CMakeLists.txt b/ThirdParty/Ert/lib/CMakeLists.txt
index 3a71859bd1..d8799e3b5f 100644
--- a/ThirdParty/Ert/lib/CMakeLists.txt
+++ b/ThirdParty/Ert/lib/CMakeLists.txt
@@ -205,7 +205,7 @@ endif ()
 set_target_properties(ecl PROPERTIES
                           VERSION ${ECL_VERSION_MAJOR}.${ECL_VERSION_MINOR}
                           SOVERSION ${ECL_VERSION_MAJOR})
-
+if (INSTALL_ERT)
 install(TARGETS ecl
         EXPORT  ecl-config
         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
@@ -230,6 +230,7 @@ if (ERT_BUILD_CXX)
             PATTERN *.hpp
 )
 endif ()
+endif()
 
 if (NOT BUILD_TESTS)
     return ()