diff --git a/addons/firesupport/Stringtable.xml b/addons/firesupport/Stringtable.xml
index 7c72d59..ce8cb0c 100644
--- a/addons/firesupport/Stringtable.xml
+++ b/addons/firesupport/Stringtable.xml
@@ -987,5 +987,55 @@
         <German>Create marker to map.</German>
       </Key>
     </Container>
+    <Container name="notifications">
+      <Key ID="STR_tun_firesupport_NoGunSelected">
+        <Original>No gun selected</Original>
+        <English>No gun selected</English>
+        <Czech>No gun selected</Czech>
+        <French>No gun selected</French>
+        <Spanish>No gun selected</Spanish>
+        <Italian>No gun selected</Italian>
+        <Polish>No gun selected</Polish>
+        <Portuguese>No gun selected</Portuguese>
+        <Russian>No gun selected</Russian>
+        <German>No gun selected</German>
+      </Key>
+      <Key ID="STR_tun_firesupport_NoAmmoSelected">
+        <Original>No ammo selected</Original>
+        <English>No ammo selected</English>
+        <Czech>No ammo selected</Czech>
+        <French>No ammo selected</French>
+        <Spanish>No ammo selected</Spanish>
+        <Italian>No ammo selected</Italian>
+        <Polish>No ammo selected</Polish>
+        <Portuguese>No ammo selected</Portuguese>
+        <Russian>No ammo selected</Russian>
+        <German>No ammo selected</German>
+      </Key>
+      <Key ID="STR_tun_firesupport_AlreadyFiring">
+        <Original>Gun is bussy</Original>
+        <English>Gun is bussy</English>
+        <Czech>Gun is bussy</Czech>
+        <French>Gun is bussy</French>
+        <Spanish>Gun is bussy</Spanish>
+        <Italian>Gun is bussy</Italian>
+        <Polish>Gun is bussy</Polish>
+        <Portuguese>Gun is bussy</Portuguese>
+        <Russian>Gun is bussy</Russian>
+        <German>Gun is bussy</German>
+      </Key>
+      <Key ID="STR_tun_firesupport_NoShells">
+        <Original>Shell count is 0</Original>
+        <English>Shell count is 0</English>
+        <Czech>Shell count is 0</Czech>
+        <French>Shell count is 0</French>
+        <Spanish>Shell count is 0</Spanish>
+        <Italian>Shell count is 0</Italian>
+        <Polish>Shell count is 0</Polish>
+        <Portuguese>Shell count is 0</Portuguese>
+        <Russian>Shell count is 0</Russian>
+        <German>Shell count is 0</German>
+      </Key>
+    </Container>
   </Package>
 </Project>
\ No newline at end of file
diff --git a/addons/firesupport/functions/fnc_fire.sqf b/addons/firesupport/functions/fnc_fire.sqf
index b134f54..be502db 100644
--- a/addons/firesupport/functions/fnc_fire.sqf
+++ b/addons/firesupport/functions/fnc_fire.sqf
@@ -22,7 +22,14 @@
 
 if ( (ctrlText STATUS_IDC) in ["CANT FIRE", "Out of Range", "Out of Ammo", "Busy"] ) exitWith {
 	hintSilent (ctrlText STATUS_IDC);
-	playSound "zoom_fail";
+	playSound "3DEN_notificationWarning";
+};
+
+private _index = lbCurSel ARTY_LIST_IDC;
+//No gun selected
+if (_index == -1) exitWith {
+	playSound "3DEN_notificationWarning";
+	hintSilent localize "STR_tun_firesupport_NoGunSelected";
 };
 
 private _variables = switch (playerSide) do {
@@ -48,11 +55,23 @@ private _variables = switch (playerSide) do {
 	};
 };
 
-private _index = lbCurSel ARTY_LIST_IDC;
 private _gun_module = _variables select _index;
+//Gun is firing
+if (_gun_module getVariable [QGVAR(is_firing), false]) exitWith {
+	playSound "3DEN_notificationWarning";
+	hintSilent localize "STR_tun_firesupport_AlreadyFiring";
+};
+
+private _ammoIndex = lbCurSel AMMO_TYPE_IDC;
+//No ammo selected
+if (_ammoIndex == -1) exitWith {
+	playSound "3DEN_notificationWarning";
+	hintSilent localize "STR_tun_firesupport_NoAmmoSelected";
+};
+
 private _easting = ctrlText EASTING_IDC;
 private _northing = ctrlText NORTHING_IDC;
-private _type = lbData [AMMO_TYPE_IDC, lbCurSel AMMO_TYPE_IDC];
+private _type = lbData [AMMO_TYPE_IDC, _ammoIndex];
 private _count = parseNumber ctrlText COUNT_IDC;
 private _range = parseNumber ctrlText RANGE_IDC;
 private _delay = parseNumber ctrlText DELAY_IDC;
@@ -62,6 +81,7 @@ private _firing_style = lbText [FIRING_TYPE_IDC,lbCurSel FIRING_TYPE_IDC];
 
 if ( _count <= 0 ) exitWith {
 	playSound "3DEN_notificationWarning";
+	hintSilent localize "STR_tun_firesupport_NoShells";
 };
 
 _gun_module setVariable [QGVAR(is_firing), true];
diff --git a/addons/firesupport/script_component.hpp b/addons/firesupport/script_component.hpp
index b7844d7..ae011f3 100644
--- a/addons/firesupport/script_component.hpp
+++ b/addons/firesupport/script_component.hpp
@@ -3,8 +3,8 @@
 
 #define MAJOR 1
 #define MINOR 0
-#define PATCHLVL 0
-#define BUILD 08022021
+#define PATCHLVL 1
+#define BUILD 22022021
 
 #define VERSION MAJOR.MINOR.PATCHLVL.BUILD
 #define VERSION_AR MAJOR,MINOR,PATCHLVL,BUILD