diff --git a/earlydisplay/src/main/java/net/neoforged/fml/earlydisplay/DisplayWindow.java b/earlydisplay/src/main/java/net/neoforged/fml/earlydisplay/DisplayWindow.java
index d88e7d90c..ca9600428 100644
--- a/earlydisplay/src/main/java/net/neoforged/fml/earlydisplay/DisplayWindow.java
+++ b/earlydisplay/src/main/java/net/neoforged/fml/earlydisplay/DisplayWindow.java
@@ -34,6 +34,7 @@
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
 import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.locks.ReentrantLock;
 import java.util.function.BiConsumer;
 import java.util.function.Consumer;
 import java.util.function.Function;
@@ -299,7 +300,11 @@ public String getGLVersion() {
         return this.glVersion;
     }
 
+    private final ReentrantLock crashLock = new ReentrantLock();
+
     private void crashElegantly(String errorDetails) {
+        crashLock.lock(); // Crash at most once!
+
         String qrText;
         try (var is = new BufferedReader(new InputStreamReader(getClass().getResourceAsStream("/glfailure.txt")))) {
             qrText = is.lines().collect(Collectors.joining("\n"));