diff --git a/mozilla/netwerk/base/src/nsURLParsers.cpp b/mozilla/netwerk/base/src/nsURLParsers.cpp
index d986511282a..40e565adc5a 100644
--- a/mozilla/netwerk/base/src/nsURLParsers.cpp
+++ b/mozilla/netwerk/base/src/nsURLParsers.cpp
@@ -327,7 +327,7 @@ nsBaseURLParser::ParseFilePath(const char *filepath, PRInt32 filepathLen,
     if (*p == '/') {
         // catch /.. and /.
         if ((p+1 < end && *(p+1) == '.') && 
-           (p+2 == end || (p+2 < end && *(p+2) == '.' && p+3 == end)))
+           (p+2 == end || (*(p+2) == '.' && p+3 == end)))
             p = end - 1;
         // filepath = <directory><filename>.<extension>
         SET_RESULT(directory, 0, p - filepath + 1);