diff --git a/kernel.go b/kernel.go
index fafa25e..0c59bf9 100644
--- a/kernel.go
+++ b/kernel.go
@@ -98,7 +98,7 @@ func (cmd *KernelDockerRegenCmd) Run(kernelCmd *KernelCmd, g *Globals) (err erro
 
 		args := []string{"build"}
 		_, err = exec.Command("which", "podman").CombinedOutput()
-		if err != nil {
+		if err == nil {
 			args = append(args, "--squash-all")
 		}
 		args = append(args, "-t", d.ContainerName, imagePath)
@@ -354,7 +354,7 @@ func generateBaseDockerImage(registry string, commands []config.DockerCommand,
 
 	args := []string{"build"}
 	_, err = exec.Command("which", "podman").CombinedOutput()
-	if err != nil {
+	if err == nil {
 		args = append(args, "--squash-all")
 	}
 	args = append(args, "-t", sk.DockerName(), imagePath)
@@ -428,7 +428,7 @@ func dockerImageAppend(sk config.KernelMask, pkgname string) (err error) {
 
 	args := []string{"build"}
 	_, err = exec.Command("which", "podman").CombinedOutput()
-	if err != nil {
+	if err == nil {
 		args = append(args, "--squash-all")
 	}
 	args = append(args, "-t", sk.DockerName(), imagePath)