diff --git a/WHATSNEW b/WHATSNEW
index f09b92a46..cf77b3ec9 100644
--- a/WHATSNEW
+++ b/WHATSNEW
@@ -17,6 +17,10 @@ org.apache.tools.ant to org.apache.tools.ant.types.
 
 * <java> and <cvs> have lost some undocumented attributes.
 
+* the Unix antRun script would search for command.sh in the directory
+it changed to and invoke this instead of command if present. This
+beahvior has been dropped.
+
 Other changes:
 --------------
 
diff --git a/src/bin/antRun b/src/bin/antRun
index 4c38b1803..f0a18f165 100644
--- a/src/bin/antRun
+++ b/src/bin/antRun
@@ -1,13 +1,9 @@
 #! /bin/sh
 
 # Args: DIR command
-cd $1
-CMD=$2
+cd "$1"
+CMD="$2"
 shift
 shift
 
-if test -f $CMD.sh; then
-  CMD="sh $CMD.sh"
-fi
-
-echo $CMD $@ | sh
+exec $CMD "$@"