diff --git a/bundles/org.openhab.binding.supla/src/main/java/org/openhab/binding/supla/handler/CloudDeviceHandler.java b/bundles/org.openhab.binding.supla/src/main/java/org/openhab/binding/supla/handler/CloudDeviceHandler.java
index 18e19daf3386e..10a1bf2ae577c 100644
--- a/bundles/org.openhab.binding.supla/src/main/java/org/openhab/binding/supla/handler/CloudDeviceHandler.java
+++ b/bundles/org.openhab.binding.supla/src/main/java/org/openhab/binding/supla/handler/CloudDeviceHandler.java
@@ -257,6 +257,9 @@ protected void handleUpDownCommand(final ChannelUID channelUID, final UpDownType
         switch (channel.getFunction().getName()) {
             case CONTROLLINGTHEROLLERSHUTTER:
                 handleOneZeroCommand(channelId, command == UP, REVEAL, SHUT);
+                final int value = command == UP ? 100 : 0;
+                updateState(channelUID, new PercentType(value));
+                break;
         }
     }
 
@@ -300,7 +303,7 @@ protected void handlePercentCommand(final ChannelUID channelUID, final PercentTy
         final pl.grzeslowski.jsupla.api.generated.model.Channel channel = queryForChannel(channelId);
         switch (channel.getFunction().getName()) {
             case CONTROLLINGTHEROLLERSHUTTER:
-                final int shut = command.intValue();
+                final int shut = 100 - command.intValue();
                 logger.debug("Channel `{}` is roller shutter; setting shut={}%", channelUID, shut);
                 final ChannelExecuteActionRequest action = new ChannelExecuteActionRequest().action(REVEAL_PARTIALLY).percentage(shut);
                 channelsApi.executeAction(action, channelId);
diff --git a/bundles/org.openhab.binding.supla/src/main/java/org/openhab/binding/supla/internal/cloud/functionswitch/FindStateFunctionSwitch.java b/bundles/org.openhab.binding.supla/src/main/java/org/openhab/binding/supla/internal/cloud/functionswitch/FindStateFunctionSwitch.java
index 907241dd56231..31e75d7b41eb7 100644
--- a/bundles/org.openhab.binding.supla/src/main/java/org/openhab/binding/supla/internal/cloud/functionswitch/FindStateFunctionSwitch.java
+++ b/bundles/org.openhab.binding.supla/src/main/java/org/openhab/binding/supla/internal/cloud/functionswitch/FindStateFunctionSwitch.java
@@ -138,7 +138,11 @@ public Optional<? extends State> onOpeningSensorDoor(Channel channel) {
 
     @Override
     public Optional<? extends State> onControllingTheRollerShutter(Channel channel) {
-        return of(channel).map(Channel::getState).map(ChannelState::getShut).map(PercentType::new);
+        return of(channel)
+                       .map(Channel::getState)
+                       .map(ChannelState::getShut)
+                       .map(shut -> 100 - shut)
+                       .map(PercentType::new);
     }
 
     @Override