1 files changed, 1 insertions, 1 deletions

diff --git a/src/fstring.h b/src/fstring.h
index 31794d7..fe3daf1 100644
--- a/src/fstring.h
+++ b/src/fstring.h
@@ -399,7 +399,7 @@ namespace Bu
                         flatten();
                         const chr *a = pData;
                         chr *b = pFirst->pData;
-                        for( ; *a!=(chr)0 || *b!=(chr)0; a++, b++ )
+                        for( long j = 0; *a!=(chr)0 && j < nLength; j++, a++, b++ )
                         {
                                 if( *a != *b )
                                         return false;