diff --git a/internal/config/config.go b/internal/config/config.go
index 98e80dea5f..c2df294814 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -1121,7 +1121,7 @@ type AzureSEVSNP struct {
 	AMDRootKey Certificate `json:"amdRootKey" yaml:"amdRootKey"`
 	// description: |
 	//   AMD Signing Key certificate used to verify the SEV-SNP VCEK / VLEK certificate.
-	AMDSigningKey Certificate `json:"amdSigningKey" yaml:"amdSigningKey" validate:"len=0"`
+	AMDSigningKey Certificate `json:"amdSigningKey,omitempty" yaml:"amdSigningKey,omitempty" validate:"len=0"`
 }
 
 // setWantLatestToFalse sets the WantLatest field to false for all versions in order to unmarshal the numerical versions instead of the string "latest".