diff --git a/tests/libslic3r/CMakeLists.txt b/tests/libslic3r/CMakeLists.txt
index 97d9b0bc7..d8dac3c10 100644
--- a/tests/libslic3r/CMakeLists.txt
+++ b/tests/libslic3r/CMakeLists.txt
@@ -22,5 +22,9 @@ endif()
 target_link_libraries(${_TEST_NAME}_tests test_common libslic3r)
 set_property(TARGET ${_TEST_NAME}_tests PROPERTY FOLDER "tests")
 
+if (WIN32)
+    prusaslicer_copy_dlls(${_TEST_NAME}_tests)
+endif()
+
 # catch_discover_tests(${_TEST_NAME}_tests TEST_PREFIX "${_TEST_NAME}: ")
 add_test(${_TEST_NAME}_tests ${_TEST_NAME}_tests ${CATCH_EXTRA_ARGS})