diff --git a/commands/ls.go b/commands/ls.go
index 8dec449a..11f514a0 100644
--- a/commands/ls.go
+++ b/commands/ls.go
@@ -87,6 +87,9 @@ func parseFilters(filters []string) (FilterOptions, error) {
 	options := FilterOptions{}
 	for _, f := range filters {
 		kv := strings.SplitN(f, "=", 2)
+		if len(kv) != 2 {
+			return options, fmt.Errorf("Unupported filter syntax, please use help ls for details on correct usage.")
+		}
 		key, value := kv[0], kv[1]
 
 		switch key {