diff --git a/sonoff/xdrv_10_scripter.ino b/sonoff/xdrv_10_scripter.ino
index e4610c830..434c1716a 100644
--- a/sonoff/xdrv_10_scripter.ino
+++ b/sonoff/xdrv_10_scripter.ino
@@ -2731,9 +2731,14 @@ int16_t Run_Scripter(const char *type, int8_t tlen, char *js) {
                   uint8_t index=glob_script_mem.type[ind.index].index;
                   if ((vtype&STYPE)==0) {
                       // numeric result
-                      if (ind.bits.settable) {
+                      if (ind.bits.settable || ind.bits.is_filter) {
                         dfvar=&sysvar;
-                        sysv_type=ind.index;
+                        if (ind.bits.settable) {
+                          sysv_type=ind.index;
+                        } else {
+                          sysv_type=0;
+                        }
+
                       } else {
                         dfvar=&glob_script_mem.fvars[index];
                         sysv_type=0;