diff --git a/apis/s3/src/main/java/org/jclouds/s3/filters/Aws4SignerBase.java b/apis/s3/src/main/java/org/jclouds/s3/filters/Aws4SignerBase.java
index 4d724af..1348e22 100644
--- a/apis/s3/src/main/java/org/jclouds/s3/filters/Aws4SignerBase.java
+++ b/apis/s3/src/main/java/org/jclouds/s3/filters/Aws4SignerBase.java
@@ -400,7 +400,7 @@
       // HexEncode(Hash(Payload))
       canonicalRequest.append(hashedPayload);
 
-      signatureWire.getWireLog().debug("<<", canonicalRequest);
+      signatureWire.getWireLog().debug("<< " + canonicalRequest);
 
       // Create a String to Sign
       StringBuilder toSign = new StringBuilder();