diff --git a/provisioner/shell/provisioner.go b/provisioner/shell/provisioner.go
index 583f598a4..78826b638 100644
--- a/provisioner/shell/provisioner.go
+++ b/provisioner/shell/provisioner.go
@@ -78,6 +78,11 @@ func (p *Provisioner) Prepare(raws ...interface{}) error {
 	err := config.Decode(&p.config, &config.DecodeOpts{
 		Interpolate:        true,
 		InterpolateContext: &p.config.ctx,
+		InterpolateFilter: &interpolate.RenderFilter{
+			Exclude: []string{
+				"execute_command",
+			},
+		},
 	}, raws...)
 	if err != nil {
 		return err