diff --git a/vtkm/cont/cuda/internal/CMakeLists.txt b/vtkm/cont/cuda/internal/CMakeLists.txt
index 39942e0fc..59e7ceacf 100644
--- a/vtkm/cont/cuda/internal/CMakeLists.txt
+++ b/vtkm/cont/cuda/internal/CMakeLists.txt
@@ -41,7 +41,7 @@ add_library(vtkm_cont_cuda OBJECT
   ArrayManagerExecutionCuda.cu
   CudaAllocator.cu
   )
-
+target_compile_definitions(vtkm_cont_cuda PRIVATE vtkm_cont_EXPORTS)
 target_compile_options(vtkm_cont_cuda PRIVATE $<TARGET_PROPERTY:vtkm_cont,INTERFACE_COMPILE_OPTIONS>)
 target_compile_definitions(vtkm_cont_cuda PRIVATE $<TARGET_PROPERTY:vtkm_cont,INTERFACE_COMPILE_DEFINITIONS>)
 target_compile_features(vtkm_cont_cuda PRIVATE $<TARGET_PROPERTY:vtkm_cont,INTERFACE_COMPILE_FEATURES>)
diff --git a/vtkm/cont/serial/internal/CMakeLists.txt b/vtkm/cont/serial/internal/CMakeLists.txt
index 0b40eea25..e75b5f421 100644
--- a/vtkm/cont/serial/internal/CMakeLists.txt
+++ b/vtkm/cont/serial/internal/CMakeLists.txt
@@ -30,7 +30,7 @@ add_library(vtkm_cont_serial OBJECT
   ArrayManagerExecutionSerial.cxx
   DeviceAdapterAlgorithmSerial.cxx
   )
-
+target_compile_definitions(vtkm_cont_serial PRIVATE vtkm_cont_EXPORTS)
 target_compile_options(vtkm_cont_serial PRIVATE $<TARGET_PROPERTY:vtkm_cont,INTERFACE_COMPILE_OPTIONS>)
 target_compile_definitions(vtkm_cont_serial PRIVATE $<TARGET_PROPERTY:vtkm_cont,INTERFACE_COMPILE_DEFINITIONS>)
 target_compile_features(vtkm_cont_serial PRIVATE $<TARGET_PROPERTY:vtkm_cont,INTERFACE_COMPILE_FEATURES>)
diff --git a/vtkm/cont/tbb/internal/CMakeLists.txt b/vtkm/cont/tbb/internal/CMakeLists.txt
index 935a2b1f3..ff40530b7 100644
--- a/vtkm/cont/tbb/internal/CMakeLists.txt
+++ b/vtkm/cont/tbb/internal/CMakeLists.txt
@@ -46,7 +46,7 @@ add_library(vtkm_cont_tbb OBJECT
   ArrayManagerExecutionTBB.cxx
   DeviceAdapterAlgorithmTBB.cxx
   )
-
+target_compile_definitions(vtkm_cont_tbb PRIVATE vtkm_cont_EXPORTS)
 target_compile_options(vtkm_cont_tbb PRIVATE $<TARGET_PROPERTY:vtkm_cont,INTERFACE_COMPILE_OPTIONS>)
 target_compile_definitions(vtkm_cont_tbb PRIVATE $<TARGET_PROPERTY:vtkm_cont,INTERFACE_COMPILE_DEFINITIONS>)
 target_compile_features(vtkm_cont_tbb PRIVATE $<TARGET_PROPERTY:vtkm_cont,INTERFACE_COMPILE_FEATURES>)