diff --git a/include/wx/string.h b/include/wx/string.h
index 65e29e10ec..c5658d9fc4 100644
--- a/include/wx/string.h
+++ b/include/wx/string.h
@@ -1004,8 +1004,8 @@ public:
         { return iterator(str(), wxStringOperations::AddToIter(m_cur, -n)); }
 
   private:
-      iterator(wxString *str, underlying_iterator ptr)
-          : m_cur(ptr), m_node(str, &m_cur) {}
+      iterator(wxString *wxstr, underlying_iterator ptr)
+          : m_cur(ptr), m_node(wxstr, &m_cur) {}
 
       wxString* str() const { return const_cast<wxString*>(m_node.m_str); }
 
@@ -1049,8 +1049,8 @@ public:
 
   private:
       // for internal wxString use only:
-      const_iterator(const wxString *str, underlying_iterator ptr)
-          : m_cur(ptr), m_node(str, &m_cur) {}
+      const_iterator(const wxString *wxstr, underlying_iterator ptr)
+          : m_cur(ptr), m_node(wxstr, &m_cur) {}
 
       const wxString* str() const { return m_node.m_str; }
 
diff --git a/include/wx/vector.h b/include/wx/vector.h
index ab07ca0f4a..5375f9c5df 100644
--- a/include/wx/vector.h
+++ b/include/wx/vector.h
@@ -169,19 +169,19 @@ public:
 
     wxVector() : m_size(0), m_capacity(0), m_values(NULL) {}
 
-    wxVector(size_type size)
+    wxVector(size_type p_size)
         : m_size(0), m_capacity(0), m_values(NULL)
     {
-        reserve(size);
-        for ( size_t n = 0; n < size; n++ )
+        reserve(p_size);
+        for ( size_t n = 0; n < p_size; n++ )
             push_back(value_type());
     }
 
-    wxVector(size_type size, const value_type& v)
+    wxVector(size_type p_size, const value_type& v)
         : m_size(0), m_capacity(0), m_values(NULL)
     {
-        reserve(size);
-        for ( size_t n = 0; n < size; n++ )
+        reserve(p_size);
+        for ( size_t n = 0; n < p_size; n++ )
             push_back(v);
     }