diff --git a/src/main.cpp b/src/main.cpp
index 0166a8f..697a3df 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -179,21 +179,21 @@ public:
         } else if (strcmp(cmd, "ohrana off") == 0) {
             g_armed = false; saveSecurityConfig(); defer_response("ohrana off ok");
         } else if (strcmp(cmd, "relay1 on") == 0) {
-            g_relay1_state = true; digitalWrite(PIN_RELAY_1, HIGH); saveSecurityConfig(); defer_response("relay1 on ok");
+            g_relay1_state = true; digitalWrite(PIN_RELAY_1, LOW); saveSecurityConfig(); defer_response("relay1 on ok");
         } else if (strcmp(cmd, "relay1 off") == 0) {
-            g_relay1_state = false; digitalWrite(PIN_RELAY_1, LOW); saveSecurityConfig(); defer_response("relay1 off ok");
+            g_relay1_state = false; digitalWrite(PIN_RELAY_1, HIGH); saveSecurityConfig(); defer_response("relay1 off ok");
         } else if (strcmp(cmd, "relay2 on") == 0) {
-            g_relay2_state = true; digitalWrite(PIN_RELAY_2, HIGH); saveSecurityConfig(); defer_response("relay2 on ok");
+            g_relay2_state = true; digitalWrite(PIN_RELAY_2, LOW); saveSecurityConfig(); defer_response("relay2 on ok");
         } else if (strcmp(cmd, "relay2 off") == 0) {
-            g_relay2_state = false; digitalWrite(PIN_RELAY_2, LOW); saveSecurityConfig(); defer_response("relay2 off ok");
+            g_relay2_state = false; digitalWrite(PIN_RELAY_2, HIGH); saveSecurityConfig(); defer_response("relay2 off ok");
         } else if (strcmp(cmd, "relay3 on") == 0) {
-            g_relay3_state = true; digitalWrite(PIN_RELAY_3, HIGH); saveSecurityConfig(); defer_response("relay3 on ok");
+            g_relay3_state = true; digitalWrite(PIN_RELAY_3, LOW); saveSecurityConfig(); defer_response("relay3 on ok");
         } else if (strcmp(cmd, "relay3 off") == 0) {
-            g_relay3_state = false; digitalWrite(PIN_RELAY_3, LOW); saveSecurityConfig(); defer_response("relay3 off ok");
+            g_relay3_state = false; digitalWrite(PIN_RELAY_3, HIGH); saveSecurityConfig(); defer_response("relay3 off ok");
         } else if (strcmp(cmd, "relay4 on") == 0) {
-            g_relay4_state = true; digitalWrite(PIN_RELAY_4, HIGH); saveSecurityConfig(); defer_response("relay4 on ok");
+            g_relay4_state = true; digitalWrite(PIN_RELAY_4, LOW); saveSecurityConfig(); defer_response("relay4 on ok");
         } else if (strcmp(cmd, "relay4 off") == 0) {
-            g_relay4_state = false; digitalWrite(PIN_RELAY_4, LOW); saveSecurityConfig(); defer_response("relay4 off ok");
+            g_relay4_state = false; digitalWrite(PIN_RELAY_4, HIGH); saveSecurityConfig(); defer_response("relay4 off ok");
         } else if (strcmp(cmd, "relay") == 0) {
             char r[48]; snprintf(r, sizeof(r), "relay:1%s 2%s 3%s 4%s",
                 g_relay1_state ? "on" : "off",
@@ -322,10 +322,10 @@ void setup() {
 
     InternalFS.begin();
     loadSecurityConfig();
-    digitalWrite(PIN_RELAY_1, g_relay1_state ? HIGH : LOW);
-    digitalWrite(PIN_RELAY_2, g_relay2_state ? HIGH : LOW);
-    digitalWrite(PIN_RELAY_3, g_relay3_state ? HIGH : LOW);
-    digitalWrite(PIN_RELAY_4, g_relay4_state ? HIGH : LOW);
+    digitalWrite(PIN_RELAY_1, g_relay1_state ? LOW : HIGH);
+    digitalWrite(PIN_RELAY_2, g_relay2_state ? LOW : HIGH);
+    digitalWrite(PIN_RELAY_3, g_relay3_state ? LOW : HIGH);
+    digitalWrite(PIN_RELAY_4, g_relay4_state ? LOW : HIGH);
 
     if (!radio_init()) {
         Serial.println("RADIO FAIL");