diff --git a/internal/config/config.go b/internal/config/config.go
index 1bf2581..24bd707 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -372,7 +372,7 @@ func NewConfig(attrs *Attributes) (*Config, error) {
 
 func getFlagNameFromProfile(awsProfile string, flag string) string {
 	profileKey := fmt.Sprintf("%s.%s", awsProfile, flag)
-	if awsProfile != "" && viper.Get(profileKey) != "" {
+	if awsProfile != "" && viper.IsSet(profileKey) && viper.Get(profileKey) != "" {
 		// NOTE: If the flag was from a multiple profiles keyed by aws profile
 		// name i.e. `staging.oidc-client-id`, set the base value to that as
 		// well, `oidc-client-id`, such that input validation is satisfied.