diff --git a/src/main/java/org/springframework/data/redis/connection/srp/SrpConnection.java b/src/main/java/org/springframework/data/redis/connection/srp/SrpConnection.java
index 30a2a8e21..158f0cb06 100644
--- a/src/main/java/org/springframework/data/redis/connection/srp/SrpConnection.java
+++ b/src/main/java/org/springframework/data/redis/connection/srp/SrpConnection.java
@@ -2314,7 +2314,8 @@ public class SrpConnection implements RedisConnection {
 			if (params.getOrder() != null) {
 				arrays.add(params.getOrder().name().getBytes(Charsets.UTF_8));
 			}
-			if (params.isAlphabetic()) {
+			Boolean isAlpha = params.isAlphabetic();
+			if (isAlpha != null && isAlpha) {
 				arrays.add(ALPHA);
 			}
 		}
diff --git a/src/main/java/org/springframework/data/redis/connection/srp/SrpUtils.java b/src/main/java/org/springframework/data/redis/connection/srp/SrpUtils.java
index 137ef53fa..450eaa9ea 100644
--- a/src/main/java/org/springframework/data/redis/connection/srp/SrpUtils.java
+++ b/src/main/java/org/springframework/data/redis/connection/srp/SrpUtils.java
@@ -272,10 +272,10 @@ abstract class SrpUtils {
 				arrays.add(params.getOrder().name().getBytes(Charsets.UTF_8));
 			}
 
-			if (params.isAlphabetic()) {
+			Boolean isAlpha = params.isAlphabetic();
+			if (isAlpha != null && isAlpha) {
 				arrays.add(ALPHA);
 			}
-
 		}
 
 		if (sortKey != null) {