diff --git a/watch.cpp b/watch.cpp
index c3aa7e9..c7c3653 100644
--- a/watch.cpp
+++ b/watch.cpp
@@ -104,7 +104,7 @@
             if (rc < 0)
             {
                 log<level::ERR>("Error processing image",
-                                entry("IMAGE=%s", tarballPath));
+                                entry("IMAGE=%s", tarballPath.c_str()));
             }
 
         }