diff --git a/dahdi_span_assignments b/dahdi_span_assignments
index 19c70d3..bcafe89 100755
--- a/dahdi_span_assignments
+++ b/dahdi_span_assignments
@@ -141,7 +141,7 @@ fi
 if [ "$#" -gt 0 ]; then
 	DEVICES="$@"
 else
-	DEVICES=`echo $devbase/*`
+	DEVICES=`ls -d $devbase/* 2>/dev/null`
 fi
 
 # Beware of special characters in attributes
diff --git a/dahdi_span_types b/dahdi_span_types
index 48a0854..b12fc6f 100755
--- a/dahdi_span_types
+++ b/dahdi_span_types
@@ -120,7 +120,7 @@ fi
 if [ "$#" -gt 0 ]; then
 	DEVICES="$@"
 else
-	DEVICES=`echo $devbase/*`
+	DEVICES=`ls -d $devbase/* 2>/dev/null`
 fi
 
 # Beware of special characters in attributes