Index: source/Host/freebsd/Host.cpp
===================================================================
--- source/Host/freebsd/Host.cpp
+++ source/Host/freebsd/Host.cpp
@@ -76,7 +76,14 @@
   if (!cstr)
     return false;
 
-  process_info.GetExecutableFile().SetFile(cstr, false);
+  // Get pathname for pid. If that fails fall back go argv[0].
+  char pathname[MAXPATHLEN];
+  size_t pathname_len = sizeof(pathname);
+  mib[2] = KERN_PROC_PATHNAME;
+  if (::sysctl(mib, 4, pathname, &len, NULL, 0) == 0)
+    process_info.GetExecutableFile().SetFile(pathname, false);
+  else
+    process_info.GetExecutableFile().SetFile(cstr, false);
 
   if (!(match_info_ptr == NULL ||
         NameMatches(process_info.GetExecutableFile().GetFilename().GetCString(),