diff --git a/src/modules/module-rtp-sink.c b/src/modules/module-rtp-sink.c
index 6547d263f..67b28ed88 100644
--- a/src/modules/module-rtp-sink.c
+++ b/src/modules/module-rtp-sink.c
@@ -174,7 +174,7 @@ static const struct format_info {
 	{ SPA_AUDIO_FORMAT_ALAW, 1, "PCMA" },
 	{ SPA_AUDIO_FORMAT_ULAW, 1, "PCMU" },
 	{ SPA_AUDIO_FORMAT_S16_BE, 2, "L16" },
-	{ SPA_AUDIO_FORMAT_S24_BE, 2, "L24" },
+	{ SPA_AUDIO_FORMAT_S24_BE, 3, "L24" },
 };
 
 static const struct format_info *find_format_info(uint32_t format)
diff --git a/src/modules/module-rtp-source.c b/src/modules/module-rtp-source.c
index f6b0cb7ef..f0c5b4640 100644
--- a/src/modules/module-rtp-source.c
+++ b/src/modules/module-rtp-source.c
@@ -159,7 +159,7 @@ static const struct format_info {
 	{ SPA_AUDIO_FORMAT_ALAW, 1, "PCMA" },
 	{ SPA_AUDIO_FORMAT_ULAW, 1, "PCMU" },
 	{ SPA_AUDIO_FORMAT_S16_BE, 2, "L16" },
-	{ SPA_AUDIO_FORMAT_S24_BE, 2, "L24" },
+	{ SPA_AUDIO_FORMAT_S24_BE, 3, "L24" },
 };
 
 static const struct format_info *find_format_info(const char *mime)