diff --git a/exp/CMakeLists.txt b/exp/CMakeLists.txt
index 7e670cfaa..d2a0e9ead 100644
--- a/exp/CMakeLists.txt
+++ b/exp/CMakeLists.txt
@@ -23,10 +23,11 @@ endif()
 target_link_libraries(${EXECUTABLE} webthree)
 target_link_libraries(${EXECUTABLE} ethereum)
 target_link_libraries(${EXECUTABLE} p2p)
+if (ETHASHCL)
 target_link_libraries(${EXECUTABLE} ethash-cl)
 target_link_libraries(${EXECUTABLE} ethash)
 target_link_libraries(${EXECUTABLE} OpenCL)
-
+endif()
 install( TARGETS ${EXECUTABLE} DESTINATION bin)