diff --git a/cmake/vendor.cmake b/cmake/vendor.cmake
index 51943db0..a37922ad 100644
--- a/cmake/vendor.cmake
+++ b/cmake/vendor.cmake
@@ -187,7 +187,7 @@ if (NOT NO_FILESELECTOR AND NOT EMSCRIPTEN)
         find_library(UNIFORMTYPEIDENTIFIERS_LIBRARY UniformTypeIdentifiers)
         target_link_libraries(TracyNfd PUBLIC ${APPKIT_LIBRARY} ${UNIFORMTYPEIDENTIFIERS_LIBRARY})
     elseif (UNIX)
-        if (TRACY_GTK_FILESELECTOR)
+        if (GTK_FILESELECTOR)
             pkg_check_modules(GTK3 gtk+-3.0)
             if (NOT GTK3_FOUND)
                 message(FATAL_ERROR "GTK3 not found. Please install it or set TRACY_GTK_FILESELECTOR to OFF.")