diff --git a/src/modules/alsa/alsa-mixer.c b/src/modules/alsa/alsa-mixer.c
index 91dfc66ee..5cb99c8fd 100644
--- a/src/modules/alsa/alsa-mixer.c
+++ b/src/modules/alsa/alsa-mixer.c
@@ -4085,7 +4085,7 @@ static int mapping_verify(pa_alsa_mapping *m, const pa_channel_map *bonus) {
         { "analog-surround-70",     N_("Analog Surround 7.0") },
         { "analog-surround-71",     N_("Analog Surround 7.1") },
         { "iec958-stereo",          N_("Digital Stereo (IEC958)") },
-        { "iec958-passthrough",     N_("Digital Passthrough  (IEC958)") },
+        { "iec958-passthrough",     N_("Digital Passthrough (IEC958)") },
         { "iec958-ac3-surround-40", N_("Digital Surround 4.0 (IEC958/AC3)") },
         { "iec958-ac3-surround-51", N_("Digital Surround 5.1 (IEC958/AC3)") },
         { "iec958-dts-surround-51", N_("Digital Surround 5.1 (IEC958/DTS)") },