diff --git a/docs/changes.txt b/docs/changes.txt
index afccb4dc70..e242e9e02f 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -186,6 +186,7 @@ All:
 - always NUL-terminate the log messages
 - wxRegEx::Compile() now calculates the number of groups correctly
 - wxHTTP::GetHeader() didn't find headers which not all in upper case
+- wxString::find_last_of() ignored "start" parameter (Robert Vazan)
 
 All (GUI):
 
diff --git a/src/common/string.cpp b/src/common/string.cpp
index c05df8f997..38e26e586e 100644
--- a/src/common/string.cpp
+++ b/src/common/string.cpp
@@ -1620,7 +1620,7 @@ size_t wxString::find_last_of(const wxChar* sz, size_t nStart) const
         wxASSERT( nStart <= Len() );
     }
 
-    for ( const wxChar *p = c_str() + length() - 1; p >= c_str(); p-- )
+    for ( const wxChar *p = c_str() + nStart - 1; p >= c_str(); p-- )
     {
         if ( wxStrchr(sz, *p) )
             return p - c_str();