diff --git a/client/src/panels/unitcontrolpanel.ts b/client/src/panels/unitcontrolpanel.ts
index ed835b67..d0309244 100644
--- a/client/src/panels/unitcontrolpanel.ts
+++ b/client/src/panels/unitcontrolpanel.ts
@@ -126,8 +126,17 @@ export class UnitControlPanel extends Panel {
 
     #showFlightControlSliders(units: Unit[])
     {
-        this.#airspeedSlider.show();
-        this.#altitudeSlider.show();
+        if (getUnitsManager().getSelectedUnitsType() !== undefined) 
+            this.#airspeedSlider.show() 
+        else
+            this.#airspeedSlider.hide();
+        
+        if (getUnitsManager().getSelectedUnitsType() === "Aircraft" || getUnitsManager().getSelectedUnitsType() === "Helicopter") 
+            this.#altitudeSlider.show() 
+        else
+            this.#altitudeSlider.hide();
+
+        this.getElement().querySelector(`#categories-tooltip`)?.classList.toggle("hide", getUnitsManager().getSelectedUnitsType() !== undefined);
 
         var unitsType = getUnitsManager().getSelectedUnitsType();
         var targetAltitude = getUnitsManager().getSelectedUnitsTargetAltitude();
diff --git a/client/views/unitcontrolpanel.ejs b/client/views/unitcontrolpanel.ejs
index 573dabed..20a0b2ee 100644
--- a/client/views/unitcontrolpanel.ejs
+++ b/client/views/unitcontrolpanel.ejs
@@ -36,6 +36,7 @@
                 <input type="range" min="0" max="100" value="0" class="slider">
             </div>
             
+            <h5 id="categories-tooltip" class="hide">Multiple categories selected</h5>
         </div>
     </div>
 
diff --git a/installer/olympus.iss b/installer/olympus.iss
index 25d344e2..ae99f160 100644
--- a/installer/olympus.iss
+++ b/installer/olympus.iss
@@ -2,7 +2,7 @@
 
 [Setup] 
 AppName=DCS Olympus 
-AppVerName=DCS Olympus Alpha v0.1.0
+AppVerName=DCS Olympus Alpha v0.1.1
 DefaultDirName={usersavedgames}\DCS.openbeta
 DefaultGroupName=DCSOlympus  
 OutputBaseFilename=DCSOlympus
diff --git a/scripts/OlympusCommand.lua b/scripts/OlympusCommand.lua
index a174955d..579d26f6 100644
--- a/scripts/OlympusCommand.lua
+++ b/scripts/OlympusCommand.lua
@@ -1,4 +1,4 @@
-local version = "v0.1.0-alpha"
+local version = "v0.1.1-alpha"
 
 local debug = false
 
diff --git a/src/shared/include/defines.h b/src/shared/include/defines.h
index 6a75f828..bb868841 100644
--- a/src/shared/include/defines.h
+++ b/src/shared/include/defines.h
@@ -1,12 +1,10 @@
 #pragma once
 
-#define VERSION "v0.0.1"
+#define VERSION "v0.1.1"
 #define LOG_NAME "Olympus_log.txt"
 #define REST_ADDRESS L"http://localhost:30000"
 #define REST_URI L"olympus"
 #define UNITS_URI L"units"
-#define UPDATE_URI L"update"
-#define REFRESH_URI L"refresh"
 #define LOGS_URI L"logs"
 #define AIRBASES_URI L"airbases"
 #define BULLSEYE_URI L"bullseyes"