diff --git a/src/slic3r/CMakeLists.txt b/src/slic3r/CMakeLists.txt
index 0bc26405b..7be778de9 100644
--- a/src/slic3r/CMakeLists.txt
+++ b/src/slic3r/CMakeLists.txt
@@ -197,7 +197,7 @@ if(APPLE)
     target_link_libraries(libslic3r_gui ${DISKARBITRATION_LIBRARY})
 endif()
 
-if (SLIC3R_STATIC)
+if (SLIC3R_STATIC AND UNIX AND NOT APPLE)
     target_compile_definitions(libslic3r_gui PRIVATE OPENSSL_CERT_OVERRIDE)
 endif ()