diff --git a/src/engine/build.sh b/src/engine/build.sh
index 8396622c3..95d4bb572 100755
--- a/src/engine/build.sh
+++ b/src/engine/build.sh
@@ -12,7 +12,7 @@ BOOST_JAM_TOOLSET=
 echo_run ()
 {
     echo "$@"
-    "$@"
+    $@
     r=$?
     if test $r -ne 0 ; then
         exit $r