--- golded3/geline.cpp
+++ golded3/geline.cpp
@@ -1890,8 +1890,8 @@
       chardo:
         #ifdef HAS_ICONV
         if( iconv_cd!=(iconv_t)(-1) ){
-          unsigned srcleft=1;
-          unsigned dstleft=3;
+          size_t srcleft=1;
+          size_t dstleft=3;
           char* tsptr = &dochar;
 
           iconvrc=iconv( iconv_cd, &tsptr, &srcleft, &dptr, &dstleft );