diff --git a/ext/directfb/meson.build b/ext/directfb/meson.build
index 2cc6f0d4c1..ac264c2bf6 100644
--- a/ext/directfb/meson.build
+++ b/ext/directfb/meson.build
@@ -3,7 +3,7 @@ directfb_dep = dependency('directfb', version : '>= 0.9.24', required : get_opti
 if directfb_dep.found()
   gstdirectfb = library('gstdirectfb',
     'dfbvideosink.c',
-    c_args : gst_plugins_bad_args,
+    c_args : gst_plugins_bad_args + cc.get_supported_arguments('-Wno-redundant-decls'),
     include_directories : [configinc],
     dependencies : [gstvideo_dep, directfb_dep],
     install : true,
diff --git a/tests/examples/directfb/meson.build b/tests/examples/directfb/meson.build
index 75fc145baf..563c7a16b7 100644
--- a/tests/examples/directfb/meson.build
+++ b/tests/examples/directfb/meson.build
@@ -2,6 +2,6 @@ if directfb_dep.found()
   executable('gstdfb', 'gstdfb.c',
     include_directories : [configinc],
     dependencies : [gst_dep, directfb_dep, libm],
-    c_args : gst_plugins_bad_args,
+    c_args : gst_plugins_bad_args + cc.get_supported_arguments('-Wno-redundant-decls'),
     install: false)
 endif