diff --git a/envconf.go b/envconf.go
index 09e97b8..0dd7242 100644
--- a/envconf.go
+++ b/envconf.go
@@ -76,6 +76,7 @@ func (c *Config) DefineDefault(key string, val string, dtype DataType) {
 		entry.dtype = dtype
 		entry.empty = false
 		entry.defval = val
+		entry.hasdef = true
 		c.env[upper] = entry
 	} else {
 		var entry cEntry
@@ -84,6 +85,7 @@ func (c *Config) DefineDefault(key string, val string, dtype DataType) {
 		entry.empty = false
 		entry.value = val
 		entry.defval = val
+		entry.hasdef = true
 		c.env[upper] = entry
 	}
 }
@@ -123,6 +125,8 @@ func (c *Config) Parse() {
 
 func (c *Config) help() {
 	max := make([]int, 2, 2)
+	preq := false
+	pdef := false
 	for k, v := range c.env {
 		if v.dtype != TypeNone {
 			if len(k) > max[0] {
@@ -131,23 +135,32 @@ func (c *Config) help() {
 			if len(v.dtype.String()) > max[1] {
 				max[1] = len(v.dtype.String())
 			}
-		}
-	}
-	fmt.Println()
-	for k, v := range c.env {
-		if v.dtype != TypeNone {
 			if v.hasdef {
-				format := fmt.Sprintf("Variable   %%-%ds|   Type %%-%ds|   Default %%s\n", max[0]+3, max[1]+3)
-				fmt.Printf(format, k, v.dtype, v.defval)
+				pdef = true
+			} else {
+				preq = true
 			}
 		}
 	}
-	fmt.Println()
-	for k, v := range c.env {
-		if v.dtype != TypeNone {
-			if !v.hasdef {
-				format := fmt.Sprintf("Variable   %%-%ds|   Type %%-%ds|   Required", max[0]+3, max[1]+3)
-				fmt.Printf(format, k, v.dtype)
+	if pdef {
+		fmt.Println()
+		for k, v := range c.env {
+			if v.dtype != TypeNone {
+				if v.hasdef {
+					format := fmt.Sprintf("Variable   %%-%ds|   Type %%-%ds|   Default %%s\n", max[0]+3, max[1]+3)
+					fmt.Printf(format, k, v.dtype, v.defval)
+				}
+			}
+		}
+	}
+	if preq {
+		fmt.Println()
+		for k, v := range c.env {
+			if v.dtype != TypeNone {
+				if !v.hasdef {
+					format := fmt.Sprintf("Variable   %%-%ds|   Type %%-%ds|   Required\n", max[0]+3, max[1]+3)
+					fmt.Printf(format, k, v.dtype)
+				}
 			}
 		}
 	}