diff -up mm3d-1.3.8a/src/libmm3d/sorted_list.h.gcc47 mm3d-1.3.8a/src/libmm3d/sorted_list.h
--- mm3d-1.3.8a/src/libmm3d/sorted_list.h.gcc47	2012-01-15 12:21:45.000000000 +0100
+++ mm3d-1.3.8a/src/libmm3d/sorted_list.h	2012-01-15 12:24:16.000000000 +0100
@@ -55,7 +55,7 @@ template <typename T> void sorted_list<T
    unsigned len = this->size();
    if ( len == 0 || (*this)[len-1] < val )
    {
-      push_back( val );
+      this->push_back( val );
    }
    else
    {
@@ -128,7 +128,7 @@ template <typename T> void sorted_ptr_li
    unsigned len = this->size();
    if ( len == 0 || *((*this)[len-1]) < *val )
    {
-      push_back( val );
+      this->push_back( val );
    }
    else
    {