diff --git a/CMakeLists.txt b/CMakeLists.txt
index c83002c38b35d43646a30cfa26f9f559ac503616..4719602110673894ffec032098554f549adc442d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,12 @@ lofar_add_package(DPPP)
 lofar_add_package(TestDynDPPP)
 lofar_add_package(PythonDPPP)
 lofar_add_package(DPPP_AOFlag)
-lofar_add_package(DPPP_SageCal)
+if(${SageCal_FOUND})
+  lofar_add_package(DPPP_SageCal)
+else()
+  message(WARNING "SageCal shared libraries were not found, not building DPPP_SageCal")
+endif()
+
 lofar_add_package(SPW_Combine SPWCombine)
 
 lofar_find_package(Armadillo)