diff --git a/gtsam/3rdparty/metis/libmetis/CMakeLists.txt b/gtsam/3rdparty/metis/libmetis/CMakeLists.txt
index 92f931b98..f3b8694f4 100644
--- a/gtsam/3rdparty/metis/libmetis/CMakeLists.txt
+++ b/gtsam/3rdparty/metis/libmetis/CMakeLists.txt
@@ -13,7 +13,8 @@ if(WIN32)
 		set_target_properties(metis-gtsam PROPERTIES
 			PREFIX ""
 			COMPILE_FLAGS /w
-			RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/../../../bin")
+			RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/../../../bin"
+			WINDOWS_EXPORT_ALL_SYMBOLS ON)
 endif()
 
 if (APPLE)