diff --git a/src/main/java/com/replaymod/render/CameraPathExporter.java b/src/main/java/com/replaymod/render/CameraPathExporter.java
index 1d26db6a..7bf0c23a 100644
--- a/src/main/java/com/replaymod/render/CameraPathExporter.java
+++ b/src/main/java/com/replaymod/render/CameraPathExporter.java
@@ -213,7 +213,7 @@ public class CameraPathExporter {
         java.nio.file.Path videoPath = settings.getOutputFile().toPath();
         java.nio.file.Path glbBasePath = Files.isDirectory(videoPath)
                 ? videoPath.resolve("camera.glb")
-                : videoPath.resolveSibling(videoPath.getFileName() + ".glb");
+                : videoPath.resolveSibling(FilenameUtils.getBaseName(videoPath.getFileName().toString()) + ".glb");
         java.nio.file.Path glbPath = glbBasePath;
         for (int i = 0; Files.exists(glbPath); i++) {
             String baseName = FilenameUtils.getBaseName(glbBasePath.getFileName().toString());