diff --git a/src/make.bash b/src/make.bash
index 2531ca4..12f1aa1 100755
--- a/src/make.bash
+++ b/src/make.bash
@@ -112,8 +112,8 @@ echo '##### Building Go bootstrap tool.'
 echo cmd/dist
 export GOROOT="$(cd .. && pwd)"
 GOROOT_BOOTSTRAP=${GOROOT_BOOTSTRAP:-$HOME/go1.4}
-if [ ! -x "$GOROOT_BOOTSTRAP/bin/go" ]; then
-	echo "ERROR: Cannot find $GOROOT_BOOTSTRAP/bin/go." >&2
+if [ ! -x "$GOROOT_BOOTSTRAP/bin/go-5" ]; then
+	echo "ERROR: Cannot find $GOROOT_BOOTSTRAP/bin/go-5." >&2
 	echo "Set \$GOROOT_BOOTSTRAP to a working Go tree >= Go 1.4." >&2
 	exit 1
 fi
@@ -123,7 +123,7 @@ if [ "$GOROOT_BOOTSTRAP" == "$GOROOT" ]; then
 	exit 1
 fi
 rm -f cmd/dist/dist
-GOROOT="$GOROOT_BOOTSTRAP" GOOS="" GOARCH="" "$GOROOT_BOOTSTRAP/bin/go" build -o cmd/dist/dist ./cmd/dist
+GOROOT="$GOROOT_BOOTSTRAP" GOOS="" GOARCH="" "$GOROOT_BOOTSTRAP/bin/go-5" build -o cmd/dist/dist ./cmd/dist
 
 # -e doesn't propagate out of eval, so check success by hand.
 eval $(./cmd/dist/dist env -p || echo FAIL=true)
diff --git a/src/make.rc b/src/make.rc
index 6016204..2223092 100755
--- a/src/make.rc
+++ b/src/make.rc
@@ -46,13 +46,13 @@ echo cmd/dist
 GOROOT = `{cd .. && pwd}
 if(! ~ $#GOROOT_BOOTSTRAP 1)
 	GOROOT_BOOTSTRAP = $home/go1.4
-if(! test -x $GOROOT_BOOTSTRAP/bin/go){
-	echo 'ERROR: Cannot find '$GOROOT_BOOTSTRAP'/bin/go.' >[1=2]
+if(! test -x $GOROOT_BOOTSTRAP/bin/go-5){
+	echo 'ERROR: Cannot find '$GOROOT_BOOTSTRAP'/bin/go-5.' >[1=2]
 	echo 'Set $GOROOT_BOOTSTRAP to a working Go tree >= Go 1.4.' >[1=2]
 	exit bootstrap
 }
 rm -f cmd/dist/dist
-GOROOT=$GOROOT_BOOTSTRAP GOOS='' GOARCH='' $GOROOT_BOOTSTRAP/bin/go build -o cmd/dist/dist ./cmd/dist
+GOROOT=$GOROOT_BOOTSTRAP GOOS='' GOARCH='' $GOROOT_BOOTSTRAP/bin/go-5 build -o cmd/dist/dist ./cmd/dist
 
 eval `{./cmd/dist/dist env -9}
 echo
diff --git a/src/cmd/dist/buildtool.go b/src/cmd/dist/buildtool.go
index 20d9535..26cfb20 100644
--- a/src/cmd/dist/buildtool.go
+++ b/src/cmd/dist/buildtool.go
@@ -111,7 +111,7 @@ func bootstrapBuildTools() {
 	os.Setenv("GOHOSTARCH", "")
 
 	// Run Go 1.4 to build binaries.
-	run(workspace, ShowOutput|CheckExit, pathf("%s/bin/go", goroot_bootstrap), "install", "-v", "bootstrap/...")
+	run(workspace, ShowOutput|CheckExit, pathf("%s/bin/go-5", goroot_bootstrap), "install", "-v", "bootstrap/...")
 
 	// Copy binaries into tool binary directory.
 	for _, name := range bootstrapDirs {