diff --git a/src/opus_multistream_encoder.c b/src/opus_multistream_encoder.c
index 30ece34..81ea484 100644
--- a/src/opus_multistream_encoder.c
+++ b/src/opus_multistream_encoder.c
@@ -852,8 +852,9 @@
    case OPUS_SET_BITRATE_REQUEST:
    {
       opus_int32 value = va_arg(ap, opus_int32);
-      if (value<0 && value!=OPUS_AUTO && value!=OPUS_BITRATE_MAX)
+      if (value<0 && value!=OPUS_AUTO && value!=OPUS_BITRATE_MAX) {
          goto bad_arg;
+      }
       st->bitrate_bps = value;
    }
    break;
@@ -861,7 +862,9 @@
    {
       int s;
       opus_int32 *value = va_arg(ap, opus_int32*);
-      if (!value) goto bad_arg;
+      if (!value) {
+         goto bad_arg;
+      }
       *value = 0;
       for (s=0;s<st->layout.nb_streams;s++)
       {
@@ -904,7 +907,9 @@
       int s;
       opus_uint32 *value = va_arg(ap, opus_uint32*);
       opus_uint32 tmp;
-      if (!value) goto bad_arg;
+      if (!value) {
+         goto bad_arg;
+      }
       *value=0;
       for (s=0;s<st->layout.nb_streams;s++)
       {
@@ -960,7 +965,9 @@
       if (stream_id<0 || stream_id >= st->layout.nb_streams)
          ret = OPUS_BAD_ARG;
       value = va_arg(ap, OpusEncoder**);
-      if (!value) goto bad_arg;
+      if (!value) {
+         goto bad_arg;
+      }
       for (s=0;s<stream_id;s++)
       {
          if (s < st->layout.nb_coupled_streams)
@@ -980,7 +987,9 @@
    case OPUS_GET_EXPERT_FRAME_DURATION_REQUEST:
    {
        opus_int32 *value = va_arg(ap, opus_int32*);
-       if (!value) goto bad_arg;
+       if (!value) {
+          goto bad_arg;
+       }
        *value = st->variable_duration;
    }
    break;