diff --git a/epan/dissectors/packet-gsmtap.c b/epan/dissectors/packet-gsmtap.c
index 4ee3301176..508765b707 100644
--- a/epan/dissectors/packet-gsmtap.c
+++ b/epan/dissectors/packet-gsmtap.c
@@ -226,7 +226,7 @@ static const value_string gsmtap_channels[] = {
 	{ GSMTAP_CHANNEL_TCH_H,		"FACCH/H" },
 	{ GSMTAP_CHANNEL_PACCH,		"PACCH" },
 	{ GSMTAP_CHANNEL_CBCH52,	"CBCH" },
-	{ GSMTAP_CHANNEL_PDCH,		"PDCH" },
+	{ GSMTAP_CHANNEL_PDTCH,		"PDTCH" },
 	{ GSMTAP_CHANNEL_PTCCH,		"PTTCH" },
 	{ GSMTAP_CHANNEL_CBCH51,	"CBCH" },
 
diff --git a/epan/dissectors/packet-gsmtap.h b/epan/dissectors/packet-gsmtap.h
index 306a195fad..16143c9ceb 100644
--- a/epan/dissectors/packet-gsmtap.h
+++ b/epan/dissectors/packet-gsmtap.h
@@ -83,7 +83,7 @@
 #define GSMTAP_CHANNEL_TCH_H		0x0a
 #define GSMTAP_CHANNEL_PACCH		0x0b
 #define GSMTAP_CHANNEL_CBCH52		0x0c
-#define GSMTAP_CHANNEL_PDCH		0x0d
+#define GSMTAP_CHANNEL_PDTCH		0x0d
 #define GSMTAP_CHANNEL_PTCCH		0x0e
 #define GSMTAP_CHANNEL_CBCH51		0x0f