diff --git a/lib/voe_handler.c b/lib/voe_handler.c
index 53232aac..486f0244 100644
--- a/lib/voe_handler.c
+++ b/lib/voe_handler.c
@@ -65,9 +65,11 @@ void ecrt_voe_handler_send_header(ec_voe_handler_t *voe, uint32_t vendor_id,
     data.vendor_id = &vendor_id;
     data.vendor_type = &vendor_type;
 
-    if (ioctl(voe->config->master->fd, EC_IOCTL_VOE_SEND_HEADER, &data) == -1)
+    if (ioctl(voe->config->master->fd,
+                EC_IOCTL_VOE_SEND_HEADER, &data) == -1) {
         fprintf(stderr, "Failed to set VoE send header: %s\n",
                 strerror(errno));
+    }
 }
 
 /*****************************************************************************/
@@ -82,9 +84,11 @@ void ecrt_voe_handler_received_header(const ec_voe_handler_t *voe,
     data.vendor_id = vendor_id;
     data.vendor_type = vendor_type;
 
-    if (ioctl(voe->config->master->fd, EC_IOCTL_VOE_REC_HEADER, &data) == -1)
+    if (ioctl(voe->config->master->fd,
+                EC_IOCTL_VOE_REC_HEADER, &data) == -1) {
         fprintf(stderr, "Failed to get received VoE header: %s\n",
                 strerror(errno));
+    }
 }
 
 /*****************************************************************************/
@@ -110,9 +114,10 @@ void ecrt_voe_handler_read(ec_voe_handler_t *voe)
     data.config_index = voe->config->index;
     data.voe_index = voe->index;
 
-    if (ioctl(voe->config->master->fd, EC_IOCTL_VOE_READ, &data) == -1)
+    if (ioctl(voe->config->master->fd, EC_IOCTL_VOE_READ, &data) == -1) {
         fprintf(stderr, "Failed to initiate VoE reading: %s\n",
                 strerror(errno));
+    }
 }
 
 /*****************************************************************************/
@@ -124,9 +129,11 @@ void ecrt_voe_handler_read_nosync(ec_voe_handler_t *voe)
     data.config_index = voe->config->index;
     data.voe_index = voe->index;
 
-    if (ioctl(voe->config->master->fd, EC_IOCTL_VOE_READ_NOSYNC, &data) == -1)
+    if (ioctl(voe->config->master->fd,
+                EC_IOCTL_VOE_READ_NOSYNC, &data) == -1) {
         fprintf(stderr, "Failed to initiate VoE reading: %s\n",
                 strerror(errno));
+    }
 }
 
 /*****************************************************************************/
@@ -140,9 +147,10 @@ void ecrt_voe_handler_write(ec_voe_handler_t *voe, size_t size)
     data.size = size;
     data.data = voe->data;
 
-    if (ioctl(voe->config->master->fd, EC_IOCTL_VOE_WRITE, &data) == -1)
+    if (ioctl(voe->config->master->fd, EC_IOCTL_VOE_WRITE, &data) == -1) {
         fprintf(stderr, "Failed to initiate VoE writing: %s\n",
                 strerror(errno));
+    }
 }
 
 /*****************************************************************************/