diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/ReplaceRegExp.java b/src/main/org/apache/tools/ant/taskdefs/optional/ReplaceRegExp.java
index 01baa444e..9b6793d00 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/ReplaceRegExp.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/ReplaceRegExp.java
@@ -447,7 +447,7 @@ public class ReplaceRegExp extends Task {
                     temp = null;
                 } catch (IOException e) {
                     throw new BuildException("Couldn't rename temporary file "
-                                             + temp, getLocation());
+                                             + temp, e, getLocation());
                 }
             } else {
                 log("No change made", Project.MSG_DEBUG);