diff --git a/base/src/main/java/de/staropensource/engine/base/utility/misc/Miscellaneous.java b/base/src/main/java/de/staropensource/engine/base/utility/misc/Miscellaneous.java
index af5b5f3..5fe8394 100644
--- a/base/src/main/java/de/staropensource/engine/base/utility/misc/Miscellaneous.java
+++ b/base/src/main/java/de/staropensource/engine/base/utility/misc/Miscellaneous.java
@@ -193,15 +193,15 @@ public final class Miscellaneous {
             output
                     .append("\n")
                     .append(stacktraceAsStringRecursive(throwable.getCause(), indent, includeHeader));
-        if (throwable instanceof ClassNotFoundException exception)
+        if (throwable instanceof ClassNotFoundException exception && exception.getException() != null)
             output
                     .append("\n")
                     .append(stacktraceAsStringRecursive(exception.getException(), indent, includeHeader));
-        if (throwable instanceof ExceptionInInitializerError exception)
+        if (throwable instanceof ExceptionInInitializerError exception && exception.getException() != null)
             output
                     .append("\n")
                     .append(stacktraceAsStringRecursive(exception.getException(), indent, includeHeader));
-        if (throwable instanceof InvocationTargetException exception)
+        if (throwable instanceof InvocationTargetException exception && exception.getTargetException() != null)
             output
                     .append("\n")
                     .append(stacktraceAsStringRecursive(exception.getTargetException(), indent, includeHeader));