diff --git a/ext/opencv/meson.build b/ext/opencv/meson.build
index 0b0b3fcf1a..074272a9ce 100644
--- a/ext/opencv/meson.build
+++ b/ext/opencv/meson.build
@@ -1,4 +1,5 @@
 if get_option('opencv').disabled()
+  opencv_dep = disabler()
   subdir_done()
 endif