diff --git a/config/default.go b/config/default.go
index e67f9051..7ee22fda 100644
--- a/config/default.go
+++ b/config/default.go
@@ -196,7 +196,7 @@ func (c *defaultConfig) fillValues(ctx context.Context, valueOf reflect.Value) e
 		}
 		tag, ok := field.Tag.Lookup(c.opts.StructTag)
 		if !ok {
-			return nil
+			continue
 		}
 
 		if err := c.fillValue(ctx, value, tag); err != nil {
diff --git a/config/default_test.go b/config/default_test.go
index cc1dfaa1..12c500d2 100644
--- a/config/default_test.go
+++ b/config/default_test.go
@@ -11,6 +11,7 @@ import (
 type Cfg struct {
 	StringValue string `default:"string_value"`
 	IntValue    int    `default:"99"`
+	IgnoreValue string `json:"-"`
 	StructValue struct {
 		StringValue string `default:"string_value"`
 	}