diff --git a/src/main/java/org/redisson/client/protocol/decoder/StringMapDataDecoder.java b/src/main/java/org/redisson/client/protocol/decoder/StringMapDataDecoder.java
index 9d47d1157..d8c8c8218 100644
--- a/src/main/java/org/redisson/client/protocol/decoder/StringMapDataDecoder.java
+++ b/src/main/java/org/redisson/client/protocol/decoder/StringMapDataDecoder.java
@@ -32,7 +32,9 @@ public class StringMapDataDecoder implements Decoder<Map<String, String>> {
         Map<String, String> result = new HashMap<String, String>();
         for (String entry : value.split("\r\n|\n")) {
             String[] parts = entry.split(":");
-            result.put(parts[0], parts[1]);
+            if (parts.length == 2) {
+                result.put(parts[0], parts[1]);
+            }
         }
         return result;
     }