diff --git a/lxc/executors/java b/lxc/executors/java
index 0318a9f..6fc09e0 100755
--- a/lxc/executors/java
+++ b/lxc/executors/java
@@ -1,6 +1,6 @@
 cd /tmp/$2
 cp code.code interim.java
-name=$(grep -Po "(?<=\n|\A)\s*(public\s+)?(class|interface)\s+\K([^\n\s{]+)" interim.java)
+name=$(grep -Po "(?<=\n|\A)\s*(public\s+)?(class|interface)\s+\K([^\/\\\n\s{]+)" interim.java)
 mv interim.java $name.java
 
 runuser runner$1 -c "\