diff --git a/src/unix/snglinst.cpp b/src/unix/snglinst.cpp
index cbefbd864d..cb609510b9 100644
--- a/src/unix/snglinst.cpp
+++ b/src/unix/snglinst.cpp
@@ -89,9 +89,9 @@ static int wxLockFile(int fd, LockOperation lock)
     fl.l_type = lock == LOCK ? F_WRLCK : F_UNLCK;
 
     // lock the entire file
-    fl.l_whence =
     fl.l_start =
-    fl.l_len = 0;
+    fl.l_len =
+    fl.l_whence = 0;
 
     // is this needed?
     fl.l_pid = getpid();