diff --git a/src/main/java/com/threerings/tools/CompiledConfigTask.java b/src/main/java/com/threerings/tools/CompiledConfigTask.java
index 3cf1b8fd..4dd9b5e5 100644
--- a/src/main/java/com/threerings/tools/CompiledConfigTask.java
+++ b/src/main/java/com/threerings/tools/CompiledConfigTask.java
@@ -22,6 +22,7 @@
 package com.threerings.tools;
 
 import java.util.ArrayList;
+import java.util.regex.Pattern;
 
 import java.io.File;
 import java.io.Serializable;
@@ -109,7 +110,7 @@ public class CompiledConfigTask extends Task
         }
 
         String baseDir = getProject().getBaseDir().getPath();
-        File target = new File(source.getPath().replaceAll(baseDir, _dest.getPath()));
+        File target = new File(source.getPath().replaceAll(Pattern.quote(baseDir), _dest.getPath()));
         target = new File(FileUtil.resuffix(target, ".xml", ".dat"));
         return target;
     }