insert null at end of strncpy target array.
diff --git a/src/pcm_plugin.c b/src/pcm_plugin.c
index 610b5d9..47bf4a5 100644
--- a/src/pcm_plugin.c
+++ b/src/pcm_plugin.c
@@ -154,8 +154,11 @@
     }
 
     strncpy((char *)info->id, name, sizeof(info->id) - 1);
+    ((char *)info->id)[sizeof(info->id) - 1] = '\0';
     strncpy((char *)info->name, name, sizeof(info->name) - 1);
+    ((char *)info->name)[sizeof(info->name) - 1] = '\0';
     strncpy((char *)info->subname, name, sizeof(info->subname) - 1);
+    ((char *)info->subname)[sizeof(info->subname) - 1] = '\0';
 
     info->subdevices_count = 1;