diff --git a/Modules/Core/Common/CMakeLists.txt b/Modules/Core/Common/CMakeLists.txt
index b50e0a3c7d4..a694f4a0cf6 100644
--- a/Modules/Core/Common/CMakeLists.txt
+++ b/Modules/Core/Common/CMakeLists.txt
@@ -133,6 +133,7 @@ configure_file(src/itkConfigurePrivate.h.in itkConfigurePrivate.h)
 
 if(ITK_WRAP_PYTHON)
   set(ITKCommon_SYSTEM_INCLUDE_DIRS "${Python3_INCLUDE_DIRS}")
+  set(ITKCommon_SYSTEM_LIBRARY_DIRS "${Python3_LIBRARY_DIRS}")
 endif()
 set(ITKCommon_INCLUDE_DIRS ${ITKCommon_BINARY_DIR})
 set(ITKCommon_LIBRARIES ITKCommon)
diff --git a/Modules/Core/Common/include/itkPyCommand.h b/Modules/Core/Common/include/itkPyCommand.h
index 7823623f404..5cae0b25665 100644
--- a/Modules/Core/Common/include/itkPyCommand.h
+++ b/Modules/Core/Common/include/itkPyCommand.h
@@ -39,9 +39,10 @@ namespace itk
  *
  * This class was contributed by Charl P. Botha <cpbotha |AT| ieee.org>
  *
+ * \ingroup ITKSystemObjects
  * \ingroup ITKCommon
  */
-class PyCommand : public Command
+class ITKCommon_EXPORT PyCommand : public Command
 {
 public:
   ///! Standard "Self" typedef.