diff --git a/modules/video_filter/anaglyph.c b/modules/video_filter/anaglyph.c
index 16f27f68e5d1046bf60bc936de600af3d7ac73dc..cd9b646d1e9c0deb2385c662ac0fbf1381e57f33 100644
--- a/modules/video_filter/anaglyph.c
+++ b/modules/video_filter/anaglyph.c
@@ -57,11 +57,11 @@ static const char *const ppsz_scheme_values[] = {
     "magenta-cyan",
     };
 static const char *const ppsz_scheme_descriptions[] = {
-    "pure red (left)  pure green (right)",
-    "pure red (left)  pure blue (right)",
-    "pure red (left)  pure cyan (right)",
-    "pure green (left)  pure magenta (right)",
-    "magenta (left)  cyan (right)",
+    N_("pure red (left)  pure green (right)"),
+    N_("pure red (left)  pure blue (right)"),
+    N_("pure red (left)  pure cyan (right)"),
+    N_("pure green (left)  pure magenta (right)"),
+    N_("magenta (left)  cyan (right)"),
     };
 
 vlc_module_begin()