diff --git a/pkg/seccomp/types.go b/pkg/seccomp/types.go
index 36712458a..07751f729 100644
--- a/pkg/seccomp/types.go
+++ b/pkg/seccomp/types.go
@@ -7,7 +7,7 @@ package seccomp
 // Seccomp represents the config for a seccomp profile for syscall restriction.
 type Seccomp struct {
 	DefaultAction   Action `json:"defaultAction"`
-	DefaultErrnoRet *uint  `json:"defaultErrnoRet"`
+	DefaultErrnoRet *uint  `json:"defaultErrnoRet,omitempty"`
 	// Architectures is kept to maintain backward compatibility with the old
 	// seccomp profile.
 	Architectures []Arch         `json:"architectures,omitempty"`