diff --git a/src/moonchart/backend/FormatDetector.hx b/src/moonchart/backend/FormatDetector.hx
index 237a2f3..6758af6 100644
--- a/src/moonchart/backend/FormatDetector.hx
+++ b/src/moonchart/backend/FormatDetector.hx
@@ -172,6 +172,14 @@ class FormatDetector
 		settings = resolveSettings(settings);
 
 		final files:Array<String> = inputFiles.resolve();
+
+		for (possibleFile in files)
+		{
+			if (!Util.fileExists(possibleFile))
+			{
+				files.remove(possibleFile);
+			}
+		}
 		var possibleFormats:Array<Format> = settings.possibleFormats;
 
 		var hasMeta:Bool = (files.length > 1);
@@ -228,7 +236,7 @@ class FormatDetector
 			var contents:Array<String> = [];
 			for (i in files)
 				contents.push(Util.getText(i));
-
+				
 			return findFromContents(contents, {possibleFormats: possibleFormats});
 		}
 
diff --git a/src/moonchart/backend/Util.hx b/src/moonchart/backend/Util.hx
index ebe7e60..9d03bc1 100644
--- a/src/moonchart/backend/Util.hx
+++ b/src/moonchart/backend/Util.hx
@@ -42,6 +42,17 @@ class Util
 		#end
 	}
 
+	public static dynamic function fileExists(path:String):Bool
+	{
+		#if sys
+		return FileSystem.exists(path);
+		#elseif openfl
+		return Assets.exists(path);
+		#else
+		return false;
+		#end
+	}
+
 	/**
 	 * Returns if a given path is a folder or not
 	 */