diff --git a/sprites/scene-test.html b/sprites/scene-test.html
index 61c6eaf92..4e4a82641 100644
--- a/sprites/scene-test.html
+++ b/sprites/scene-test.html
@@ -557,7 +557,7 @@
 				const img = e('img', {class: 'pixelated'});
 				img.width = 7;
 				img.height = 10;
-				img.src = `${Dex.resourcePrefix}fx/gender-${gender.toLowerCase()}.png`;
+				img.src = `${Dex.fxPrefix}gender-${gender.toLowerCase()}.png`;
 				strong.textContent += ' ';
 				strong.appendChild(img);
 			}
diff --git a/src/battle-animations.ts b/src/battle-animations.ts
index da7d74c1e..6602d5996 100644
--- a/src/battle-animations.ts
+++ b/src/battle-animations.ts
@@ -831,7 +831,7 @@ export class BattleScene implements BattleSceneStub {
 				buf2 += '<div style="position:absolute;top:' + (y + 45) + 'px;left:' + (x - 40) + 'px;width:80px;font-size:10px;text-align:center;color:#FFF;">';
 				const gender = pokemon.gender;
 				if (gender === 'M' || gender === 'F') {
-					buf2 += `<img src="${Dex.resourcePrefix}fx/gender-${gender.toLowerCase()}.png" alt="${gender}" width="7" height="10" class="pixelated" style="margin-bottom:-1px" /> `;
+					buf2 += `<img src="${Dex.fxPrefix}gender-${gender.toLowerCase()}.png" alt="${gender}" width="7" height="10" class="pixelated" style="margin-bottom:-1px" /> `;
 				}
 				if (pokemon.level !== 100) {
 					buf2 += '<span style="text-shadow:#000 1px 1px 0,#000 1px -1px 0,#000 -1px 1px 0,#000 -1px -1px 0"><small>L</small>' + pokemon.level + '</span>';
@@ -2643,7 +2643,7 @@ export class PokemonSprite extends Sprite {
 		buf += `<strong>${BattleLog.escapeHTML(ignoreNick ? pokemon.speciesForme : pokemon.name)}`;
 		const gender = pokemon.gender;
 		if (gender === 'M' || gender === 'F') {
-			buf += ` <img src="${Dex.resourcePrefix}fx/gender-${gender.toLowerCase()}.png" alt="${gender}" width="7" height="10" class="pixelated" />`;
+			buf += ` <img src="${Dex.fxPrefix}gender-${gender.toLowerCase()}.png" alt="${gender}" width="7" height="10" class="pixelated" />`;
 		}
 		buf += (pokemon.level === 100 ? `` : ` <small>L${pokemon.level}</small>`);
 
diff --git a/src/battle-dex.ts b/src/battle-dex.ts
index bb165a1d8..cf7e78bc0 100644
--- a/src/battle-dex.ts
+++ b/src/battle-dex.ts
@@ -186,11 +186,8 @@ const Dex = new class implements ModdedDex {
 	})();
 
 	fxPrefix = (() => {
-		if (window.document?.location?.protocol === 'file:') {
-			if (window.Replays) return `https://${window.Config ? Config.routes.client : 'play.pokemonshowdown.com'}/fx/`;
-			return `fx/`;
-		}
-		return `//${window.Config ? Config.routes.client : 'play.pokemonshowdown.com'}/fx/`;
+		const protocol = (window.document?.location?.protocol !== 'http:') ? 'https:' : '';
+		return `${protocol}//${window.Config ? Config.routes.client : 'play.pokemonshowdown.com'}/fx/`;
 	})();
 
 	loadedSpriteData = {xy: 1, bw: 0};
diff --git a/src/battle-tooltips.ts b/src/battle-tooltips.ts
index 2e72eb831..755a56179 100644
--- a/src/battle-tooltips.ts
+++ b/src/battle-tooltips.ts
@@ -768,7 +768,7 @@ class BattleTooltips {
 		let genderBuf = '';
 		const gender = pokemon.gender;
 		if (gender === 'M' || gender === 'F') {
-			genderBuf = ` <img src="${Dex.resourcePrefix}fx/gender-${gender.toLowerCase()}.png" alt="${gender}" width="7" height="10" class="pixelated" /> `;
+			genderBuf = ` <img src="${Dex.fxPrefix}gender-${gender.toLowerCase()}.png" alt="${gender}" width="7" height="10" class="pixelated" /> `;
 		}
 
 		let name = BattleLog.escapeHTML(pokemon.name);