diff --git a/scripts/training/Jamfile b/scripts/training/Jamfile
index 26cec5a1d..e8571d65f 100644
--- a/scripts/training/Jamfile
+++ b/scripts/training/Jamfile
@@ -7,6 +7,7 @@ if $(WITH-GIZA) != no {
   make train-model.perl : train-model.perl.missing_bin_dir : @missing_bin_dir ;
   actions missing_bin_dir {
     sed 's#^my \$BINDIR\s*=.*#my\ \$BINDIR=\"$(WITH-GIZA)\";#' $(>) >$(<)
+    chmod +x $(<)
   }
 
   install legacy : train-model.perl : <location>. ;