diff --git a/addons/missileguidance/XEH_PREP.hpp b/addons/missileguidance/XEH_PREP.hpp
index 3b807721af..1a0191992c 100644
--- a/addons/missileguidance/XEH_PREP.hpp
+++ b/addons/missileguidance/XEH_PREP.hpp
@@ -7,7 +7,7 @@ PREP(checkSeekerAngle);
 PREP(checkLos);
 
 PREP(onFired);
-PREP(onFiredDeffered);
+PREP(onFiredDeferred);
 PREP(onIncomingMissile);
 
 PREP(guidancePFH);
diff --git a/addons/missileguidance/functions/fnc_onFiredDeffered.sqf b/addons/missileguidance/functions/fnc_onFiredDeferred.sqf
similarity index 99%
rename from addons/missileguidance/functions/fnc_onFiredDeffered.sqf
rename to addons/missileguidance/functions/fnc_onFiredDeferred.sqf
index 3b1a61ebca..ffa3970fe1 100644
--- a/addons/missileguidance/functions/fnc_onFiredDeffered.sqf
+++ b/addons/missileguidance/functions/fnc_onFiredDeferred.sqf
@@ -12,7 +12,7 @@
  * Args <Array>
  *
  * Example:
- * [player, "", "", "", "ACE_Javelin_FGM148", "", theMissile] call ace_missileguidance_fnc_onFiredDeffered
+ * [player, "", "", "", "ACE_Javelin_FGM148", "", theMissile] call ace_missileguidance_fnc_onFiredDeferred
  *
  * Public: No
  */
diff --git a/addons/pike/functions/fnc_ammoFired.sqf b/addons/pike/functions/fnc_ammoFired.sqf
index e161c92c4a..6d6bd18168 100644
--- a/addons/pike/functions/fnc_ammoFired.sqf
+++ b/addons/pike/functions/fnc_ammoFired.sqf
@@ -25,7 +25,7 @@ if (isNull _projectile) exitWith {};
 private _firedEH = +_this;
 // Inject the submuntion ammo into guidance args
 _firedEH set [4, getText (configFile >> "CfgAmmo" >> _ammo >> "submunitionAmmo")];
-private _guidanceArgs = _firedEH call EFUNC(missileguidance,onFiredDeffered);
+private _guidanceArgs = _firedEH call EFUNC(missileguidance,onFiredDeferred);
 _projectile setVariable [QGVAR(guidanceArgs), _guidanceArgs];
 
 // On missile deploy start guidance