diff --git a/libfreerdp/core/rdp.c b/libfreerdp/core/rdp.c
index b05ec6155..24a955f69 100644
--- a/libfreerdp/core/rdp.c
+++ b/libfreerdp/core/rdp.c
@@ -1497,7 +1497,7 @@ const char* pdu_type_to_str(UINT16 pduType, char* buffer, size_t length)
 			str = "PDU_TYPE_FLOW_STOP";
 			break;
 		default:
-			str = "PRU_TYPE_UNKNOWN";
+			str = "PDU_TYPE_UNKNOWN";
 			break;
 	}