diff --git a/src/config.c b/src/config.c
index 505dabc9c..de8e8d8cf 100644
--- a/src/config.c
+++ b/src/config.c
@@ -256,7 +256,7 @@ void loadServerConfigFromString(char *config) {
         for (configYesNo *config = configs_yesno; config->name != NULL; config++) {
             if ((!strcasecmp(argv[0],config->name) ||
                 (config->alias && !strcasecmp(argv[0],config->alias))) &&
-                (argc == 2)) 
+                (argc == 2))
             {
                 if ((*(config->config) = yesnotoi(argv[1])) == -1) {
                     err = "argument must be 'yes' or 'no'"; goto loaderr;
@@ -580,6 +580,14 @@ void loadServerConfigFromString(char *config) {
                 err = "active-defrag-max-scan-fields must be positive";
                 goto loaderr;
             }
+        } else if (!strcasecmp(argv[0],"active-expire-effort") && argc == 2) {
+            server.active_expire_effort = atoi(argv[1]);
+            if (server.active_expire_effort < 1 ||
+                server.active_expire_effort > 10)
+            {
+                err = "active-expire-effort must be between 1 and 10";
+                goto loaderr;
+            }
         } else if (!strcasecmp(argv[0],"hash-max-ziplist-entries") && argc == 2) {
             server.hash_max_ziplist_entries = memtoll(argv[1], NULL);
         } else if (!strcasecmp(argv[0],"hash-max-ziplist-value") && argc == 2) {
@@ -1165,6 +1173,8 @@ void configSetCommand(client *c) {
       "active-defrag-cycle-max",server.active_defrag_cycle_max,1,99) {
     } config_set_numerical_field(
       "active-defrag-max-scan-fields",server.active_defrag_max_scan_fields,1,LONG_MAX) {
+    } config_set_numerical_field(
+      "active-expire-effort",server.active_expire_effort,1,10) {
     } config_set_numerical_field(
       "auto-aof-rewrite-percentage",server.aof_rewrite_perc,0,INT_MAX){
     } config_set_numerical_field(
@@ -1478,6 +1488,7 @@ void configGetCommand(client *c) {
     config_get_numerical_field("active-defrag-cycle-min",server.active_defrag_cycle_min);
     config_get_numerical_field("active-defrag-cycle-max",server.active_defrag_cycle_max);
     config_get_numerical_field("active-defrag-max-scan-fields",server.active_defrag_max_scan_fields);
+    config_get_numerical_field("active-expire-effort",server.active_expire_effort);
     config_get_numerical_field("auto-aof-rewrite-percentage",
             server.aof_rewrite_perc);
     config_get_numerical_field("auto-aof-rewrite-min-size",
@@ -2327,6 +2338,7 @@ int rewriteConfig(char *path) {
     rewriteConfigNumericalOption(state,"active-defrag-cycle-min",server.active_defrag_cycle_min,CONFIG_DEFAULT_DEFRAG_CYCLE_MIN);
     rewriteConfigNumericalOption(state,"active-defrag-cycle-max",server.active_defrag_cycle_max,CONFIG_DEFAULT_DEFRAG_CYCLE_MAX);
     rewriteConfigNumericalOption(state,"active-defrag-max-scan-fields",server.active_defrag_max_scan_fields,CONFIG_DEFAULT_DEFRAG_MAX_SCAN_FIELDS);
+    rewriteConfigNumericalOption(state,"active-expire-effort",server.active_expire_effort,CONFIG_DEFAULT_ACTIVE_EXPIRE_EFFORT);
     rewriteConfigYesNoOption(state,"appendonly",server.aof_enabled,0);
     rewriteConfigStringOption(state,"appendfilename",server.aof_filename,CONFIG_DEFAULT_AOF_FILENAME);
     rewriteConfigEnumOption(state,"appendfsync",server.aof_fsync,aof_fsync_enum,CONFIG_DEFAULT_AOF_FSYNC);