diff --git a/library.c b/library.c
index 91c2f2f..7dade9d 100644
--- a/library.c
+++ b/library.c
@@ -1072,8 +1072,15 @@ int redis_cmd_append_sstr_int(smart_string *str, int append) {
  * Append a long to a smart string command
  */
 int redis_cmd_append_sstr_long(smart_string *str, long append) {
+    return redis_cmd_append_sstr_zend_long(str, (zend_long) append);
+}
+
+/*
+ * Append a zend_long to a smart string command
+ */
+int redis_cmd_append_sstr_zend_long(smart_string *str, zend_long lval) {
     char long_buf[32];
-    char *result = zend_print_long_to_buf(long_buf + sizeof(long_buf) - 1, append);
+    char *result = zend_print_long_to_buf(long_buf + sizeof(long_buf) - 1, lval);
     int int_len = long_buf + sizeof(long_buf) - 1 - result;
     return redis_cmd_append_sstr(str, result, int_len);
 }
diff --git a/library.h b/library.h
index 6fa7512..b39fcb6 100644
--- a/library.h
+++ b/library.h
@@ -50,6 +50,7 @@ int redis_cmd_init_sstr(smart_string *str, int num_args, char *keyword, int keyw
 int redis_cmd_append_sstr(smart_string *str, char *append, int append_len);
 int redis_cmd_append_sstr_int(smart_string *str, int append);
 int redis_cmd_append_sstr_long(smart_string *str, long append);
+int redis_cmd_append_sstr_zend_long(smart_string *str, zend_long append);
 int redis_cmd_append_sstr_i64(smart_string *str, int64_t append);
 int redis_cmd_append_sstr_u64(smart_string *str, uint64_t append);
 int redis_cmd_append_sstr_dbl(smart_string *str, double value);
diff --git a/redis_commands.c b/redis_commands.c
index d51371b..2ca0bb5 100644
--- a/redis_commands.c
+++ b/redis_commands.c
@@ -1208,7 +1208,7 @@ static int redis_cmd_append_sstr_score(smart_string *dst, zval *score) {
     cmdlen = dst->len;
 
     if (Z_TYPE_P(score) == IS_LONG) {
-        redis_cmd_append_sstr_long(dst, Z_LVAL_P(score));
+        redis_cmd_append_sstr_zend_long(dst, Z_LVAL_P(score));
     } else if (Z_TYPE_P(score) == IS_DOUBLE) {
         redis_cmd_append_sstr_dbl(dst, Z_DVAL_P(score));
     } else if (Z_TYPE_P(score) == IS_STRING) {