diff --git a/lib/c_glib/src/thrift/c_glib/transport/thrift_buffered_transport.h b/lib/c_glib/src/thrift/c_glib/transport/thrift_buffered_transport.h
index 837f467..afb9466 100644
--- a/lib/c_glib/src/thrift/c_glib/transport/thrift_buffered_transport.h
+++ b/lib/c_glib/src/thrift/c_glib/transport/thrift_buffered_transport.h
@@ -37,7 +37,7 @@
 #define THRIFT_BUFFERED_TRANSPORT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), THRIFT_TYPE_BUFFERED_TRANSPORT, ThriftBufferedTransport))
 #define THRIFT_IS_BUFFERED_TRANSPORT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), THRIFT_TYPE_BUFFERED_TRANSPORT))
 #define THRIFT_BUFFERED_TRANSPORT_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), THRIFT_TYPE_BUFFERED_TRANSPORT, ThriftBufferedTransportClass))
-#define THRIFT_IS_BUFFERED_TRANSPORT_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), THRIFT_TYPE_BUFFERED_TRANSPORT)
+#define THRIFT_IS_BUFFERED_TRANSPORT_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), THRIFT_TYPE_BUFFERED_TRANSPORT))
 #define THRIFT_BUFFERED_TRANSPORT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), THRIFT_TYPE_BUFFERED_TRANSPORT, ThriftBufferedTransportClass))
 
 typedef struct _ThriftBufferedTransport ThriftBufferedTransport;
diff --git a/lib/c_glib/src/thrift/c_glib/transport/thrift_framed_transport.h b/lib/c_glib/src/thrift/c_glib/transport/thrift_framed_transport.h
index 95c0123..a102061 100644
--- a/lib/c_glib/src/thrift/c_glib/transport/thrift_framed_transport.h
+++ b/lib/c_glib/src/thrift/c_glib/transport/thrift_framed_transport.h
@@ -37,7 +37,7 @@
 #define THRIFT_FRAMED_TRANSPORT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), THRIFT_TYPE_FRAMED_TRANSPORT, ThriftFramedTransport))
 #define THRIFT_IS_FRAMED_TRANSPORT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), THRIFT_TYPE_FRAMED_TRANSPORT))
 #define THRIFT_FRAMED_TRANSPORT_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), THRIFT_TYPE_FRAMED_TRANSPORT, ThriftFramedTransportClass))
-#define THRIFT_IS_FRAMED_TRANSPORT_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), THRIFT_TYPE_FRAMED_TRANSPORT)
+#define THRIFT_IS_FRAMED_TRANSPORT_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), THRIFT_TYPE_FRAMED_TRANSPORT))
 #define THRIFT_FRAMED_TRANSPORT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), THRIFT_TYPE_FRAMED_TRANSPORT, ThriftFramedTransportClass))
 
 typedef struct _ThriftFramedTransport ThriftFramedTransport;
diff --git a/lib/c_glib/src/thrift/c_glib/transport/thrift_memory_buffer.h b/lib/c_glib/src/thrift/c_glib/transport/thrift_memory_buffer.h
index d5d47b3..9ddc16c 100644
--- a/lib/c_glib/src/thrift/c_glib/transport/thrift_memory_buffer.h
+++ b/lib/c_glib/src/thrift/c_glib/transport/thrift_memory_buffer.h
@@ -36,7 +36,7 @@
 #define THRIFT_MEMORY_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), THRIFT_TYPE_MEMORY_BUFFER, ThriftMemoryBuffer))
 #define THRIFT_IS_MEMORY_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), THRIFT_TYPE_MEMORY_BUFFER))
 #define THRIFT_MEMORY_BUFFER_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), THRIFT_TYPE_MEMORY_BUFFER, ThriftMemoryBufferClass))
-#define THRIFT_IS_MEMORY_BUFFER_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), THRIFT_TYPE_MEMORY_BUFFER)
+#define THRIFT_IS_MEMORY_BUFFER_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), THRIFT_TYPE_MEMORY_BUFFER))
 #define THRIFT_MEMORY_BUFFER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), THRIFT_TYPE_MEMORY_BUFFER, ThriftMemoryBufferClass))
 
 typedef struct _ThriftMemoryBuffer ThriftMemoryBuffer;