Index: src/exceptions/OFException.m
==================================================================
--- src/exceptions/OFException.m
+++ src/exceptions/OFException.m
@@ -56,8 +56,14 @@
 	return inClass;
 }
 
 - (OFString*)description
 {
-	return @"An exception occurred";
+	if (description != nil)
+		return description;
+
+	description = [[OFString alloc] initWithFormat:
+	    @"An exception of class %@ occurred in class %@", isa, inClass];
+
+	return description;
 }
 @end