diff --git a/OpenRA.Mods.Common/Projectiles/AreaBeam.cs b/OpenRA.Mods.Common/Projectiles/AreaBeam.cs
index 1334fab12c..7efdb001c9 100644
--- a/OpenRA.Mods.Common/Projectiles/AreaBeam.cs
+++ b/OpenRA.Mods.Common/Projectiles/AreaBeam.cs
@@ -83,7 +83,7 @@ namespace OpenRA.Mods.Common.Projectiles
 			return new AreaBeam(this, args, c);
 		}
 
-		public void RulesetLoaded(Ruleset rules, WeaponInfo wi)
+		void IRulesetLoaded<WeaponInfo>.RulesetLoaded(Ruleset rules, WeaponInfo wi)
 		{
 			if (BlockerScanRadius == WDist.Zero)
 				BlockerScanRadius = Util.MinimumRequiredBlockerScanRadius(rules);
diff --git a/OpenRA.Mods.Common/Projectiles/Bullet.cs b/OpenRA.Mods.Common/Projectiles/Bullet.cs
index b63aa54b9e..227245977a 100644
--- a/OpenRA.Mods.Common/Projectiles/Bullet.cs
+++ b/OpenRA.Mods.Common/Projectiles/Bullet.cs
@@ -103,7 +103,7 @@ namespace OpenRA.Mods.Common.Projectiles
 
 		public IProjectile Create(ProjectileArgs args) { return new Bullet(this, args); }
 
-		public void RulesetLoaded(Ruleset rules, WeaponInfo wi)
+		void IRulesetLoaded<WeaponInfo>.RulesetLoaded(Ruleset rules, WeaponInfo wi)
 		{
 			if (BlockerScanRadius == WDist.Zero)
 				BlockerScanRadius = Util.MinimumRequiredBlockerScanRadius(rules);
diff --git a/OpenRA.Mods.Common/Projectiles/InstantHit.cs b/OpenRA.Mods.Common/Projectiles/InstantHit.cs
index c79dbbf44e..ae5bc4765c 100644
--- a/OpenRA.Mods.Common/Projectiles/InstantHit.cs
+++ b/OpenRA.Mods.Common/Projectiles/InstantHit.cs
@@ -36,7 +36,7 @@ namespace OpenRA.Mods.Common.Projectiles
 
 		public IProjectile Create(ProjectileArgs args) { return new InstantHit(this, args); }
 
-		public void RulesetLoaded(Ruleset rules, WeaponInfo wi)
+		void IRulesetLoaded<WeaponInfo>.RulesetLoaded(Ruleset rules, WeaponInfo wi)
 		{
 			if (BlockerScanRadius == WDist.Zero)
 				BlockerScanRadius = Util.MinimumRequiredBlockerScanRadius(rules);
diff --git a/OpenRA.Mods.Common/Projectiles/LaserZap.cs b/OpenRA.Mods.Common/Projectiles/LaserZap.cs
index 14fa1b0617..d2ffa00644 100644
--- a/OpenRA.Mods.Common/Projectiles/LaserZap.cs
+++ b/OpenRA.Mods.Common/Projectiles/LaserZap.cs
@@ -84,7 +84,7 @@ namespace OpenRA.Mods.Common.Projectiles
 			return new LaserZap(this, args, c);
 		}
 
-		public void RulesetLoaded(Ruleset rules, WeaponInfo wi)
+		void IRulesetLoaded<WeaponInfo>.RulesetLoaded(Ruleset rules, WeaponInfo wi)
 		{
 			if (BlockerScanRadius == WDist.Zero)
 				BlockerScanRadius = Util.MinimumRequiredBlockerScanRadius(rules);
diff --git a/OpenRA.Mods.Common/Projectiles/Missile.cs b/OpenRA.Mods.Common/Projectiles/Missile.cs
index 1d15fa9e8d..0b1a09b9d6 100644
--- a/OpenRA.Mods.Common/Projectiles/Missile.cs
+++ b/OpenRA.Mods.Common/Projectiles/Missile.cs
@@ -148,7 +148,7 @@ namespace OpenRA.Mods.Common.Projectiles
 
 		public IProjectile Create(ProjectileArgs args) { return new Missile(this, args); }
 
-		public void RulesetLoaded(Ruleset rules, WeaponInfo wi)
+		void IRulesetLoaded<WeaponInfo>.RulesetLoaded(Ruleset rules, WeaponInfo wi)
 		{
 			if (BlockerScanRadius == WDist.Zero)
 				BlockerScanRadius = Util.MinimumRequiredBlockerScanRadius(rules);