diff --git a/cmake/xlnt.cmake b/cmake/xlnt.cmake
index 388cae4e..9d029a8b 100644
--- a/cmake/xlnt.cmake
+++ b/cmake/xlnt.cmake
@@ -103,7 +103,7 @@ endif()
 
 if(STATIC)
     add_library(xlnt.static STATIC ${HEADERS} ${SOURCES} ${MINIZ} ${PUGIXML})
-	target_compile_definitions(xlnt.static PRIVATE XLNT_STATIC=1)
+    target_compile_definitions(xlnt.static PUBLIC XLNT_STATIC=1)
     install(TARGETS xlnt.static
         LIBRARY DESTINATION ${LIB_DEST_DIR}
         ARCHIVE DESTINATION ${LIB_DEST_DIR}
diff --git a/include/xlnt/xlnt_config.hpp b/include/xlnt/xlnt_config.hpp
index e30eb729..718f71bb 100644
--- a/include/xlnt/xlnt_config.hpp
+++ b/include/xlnt/xlnt_config.hpp
@@ -55,7 +55,7 @@ enum class limit_style
 const limit_style LimitStyle = limit_style::openpyxl;
 
 #ifndef XLNT_API
-#if defined(_DLL) && defined(_MSC_VER)
+#if !defined(XLNT_STATIC) && defined(_MSC_VER)
 #ifdef XLNT_EXPORT
 #define XLNT_API __declspec(dllexport)
 #else