diff --git a/envconf.go b/envconf.go
index 70657ee..a278bc6 100644
--- a/envconf.go
+++ b/envconf.go
@@ -91,17 +91,28 @@ func (c *Config) Parse() {
 		return
 	}
 	c.parsed = true
+	failed := false
 	for k, v := range c.env {
 		if v.empty {
 			if v.unset {
-				v.parsed.err = errors.New(fmt.Sprintf(`Environment variable "%s" not found. It should have been of type %s.`, k, v.dtype))
-				c.env[k] = v
+				failed = true
 			}
 		} else {
 			v.parsed = v.dtype.parse(k, v.value)
 			c.env[k] = v
 		}
 	}
+	for k, v := range c.env {
+		if failed && (v.parsed.err == nil) {
+			if v.unset {
+				v.parsed.err = errors.New(fmt.Sprintf(`Environment variable "%s" not found. It should have been of type %s.`, k, v.dtype))
+				c.env[k] = v
+			} else {
+				v.parsed.err = errors.New(fmt.Sprintf(`Environment variable "%s" not found. Default value of "%s"(%s) used.`, k, v.value, v.dtype))
+				c.env[k] = v
+			}
+		}
+	}
 }
 
 // Status prints out failures that occured while parsing the environment to os.Stderr.