Index: uspace/lib/hound/src/protocol.c
===================================================================
--- uspace/lib/hound/src/protocol.c	(revision bb9711836ee2378ff4d687181e9bf5bed89b1cbe)
+++ uspace/lib/hound/src/protocol.c	(revision eb13ef8440f5e94338275db8fd83e4e513c82ab1)
@@ -140,5 +140,5 @@
 	async_exchange_end(exch);
 	if (ret == EOK) {
-		*id = (hound_context_id_t) IPC_GET_ARG1(call);
+		*id = (hound_context_id_t) IPC_GET_ARG1(&call);
 	}
 
@@ -203,5 +203,5 @@
 		return ret;
 	}
-	unsigned name_count = IPC_GET_ARG1(res_call);
+	unsigned name_count = IPC_GET_ARG1(&res_call);
 
 	/* Start receiving names */
@@ -406,5 +406,5 @@
 		async_get_call(&call);
 
-		switch (IPC_GET_IMETHOD(call)) {
+		switch (IPC_GET_IMETHOD(&call)) {
 		case IPC_M_HOUND_CONTEXT_REGISTER:
 			/* check interface functions */
@@ -413,5 +413,5 @@
 				break;
 			}
-			bool record = IPC_GET_ARG1(call);
+			bool record = IPC_GET_ARG1(&call);
 			void *name;
 
@@ -442,5 +442,5 @@
 
 			/* get id, 1st param */
-			context = (hound_context_id_t) IPC_GET_ARG1(call);
+			context = (hound_context_id_t) IPC_GET_ARG1(&call);
 			ret = server_iface->rem_context(server_iface->server,
 			    context);
@@ -455,7 +455,7 @@
 
 			char **list = NULL;
-			flags = IPC_GET_ARG1(call);
-			size_t count = IPC_GET_ARG2(call);
-			const bool conn = IPC_GET_ARG3(call);
+			flags = IPC_GET_ARG1(&call);
+			size_t count = IPC_GET_ARG2(&call);
+			const bool conn = IPC_GET_ARG3(&call);
 			char *conn_name = NULL;
 			ret = EOK;
@@ -568,7 +568,7 @@
 
 			/* get parameters */
-			context = (hound_context_id_t) IPC_GET_ARG1(call);
-			flags = IPC_GET_ARG2(call);
-			const format_convert_t c = { .arg = IPC_GET_ARG3(call) };
+			context = (hound_context_id_t) IPC_GET_ARG1(&call);
+			flags = IPC_GET_ARG2(&call);
+			const format_convert_t c = { .arg = IPC_GET_ARG3(&call) };
 			const pcm_format_t f = {
 				.sampling_rate = c.f.rate * 100,
@@ -576,5 +576,5 @@
 				.sample_format = c.f.format,
 			};
-			size_t bsize = IPC_GET_ARG4(call);
+			size_t bsize = IPC_GET_ARG4(&call);
 
 			void *stream;
@@ -640,7 +640,7 @@
 	/* accept data write or drain */
 	while (async_data_write_receive(&call, &size) ||
-	    (IPC_GET_IMETHOD(call) == IPC_M_HOUND_STREAM_DRAIN)) {
+	    (IPC_GET_IMETHOD(&call) == IPC_M_HOUND_STREAM_DRAIN)) {
 		/* check drain first */
-		if (IPC_GET_IMETHOD(call) == IPC_M_HOUND_STREAM_DRAIN) {
+		if (IPC_GET_IMETHOD(&call) == IPC_M_HOUND_STREAM_DRAIN) {
 			errno_t ret = ENOTSUP;
 			if (server_iface->drain_stream)
@@ -668,5 +668,5 @@
 		}
 	}
-	const errno_t ret = IPC_GET_IMETHOD(call) == IPC_M_HOUND_STREAM_EXIT ?
+	const errno_t ret = IPC_GET_IMETHOD(&call) == IPC_M_HOUND_STREAM_EXIT ?
 	    EOK : EINVAL;
 
@@ -687,7 +687,7 @@
 	/* accept data read and drain */
 	while (async_data_read_receive(&call, &size) ||
-	    (IPC_GET_IMETHOD(call) == IPC_M_HOUND_STREAM_DRAIN)) {
+	    (IPC_GET_IMETHOD(&call) == IPC_M_HOUND_STREAM_DRAIN)) {
 		/* drain does not make much sense but it is allowed */
-		if (IPC_GET_IMETHOD(call) == IPC_M_HOUND_STREAM_DRAIN) {
+		if (IPC_GET_IMETHOD(&call) == IPC_M_HOUND_STREAM_DRAIN) {
 			errno_t ret = ENOTSUP;
 			if (server_iface->drain_stream)
@@ -712,5 +712,5 @@
 		}
 	}
-	const errno_t ret = IPC_GET_IMETHOD(call) == IPC_M_HOUND_STREAM_EXIT ?
+	const errno_t ret = IPC_GET_IMETHOD(&call) == IPC_M_HOUND_STREAM_EXIT ?
 	    EOK : EINVAL;