diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index b24d704..f8188d6 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -311,11 +311,13 @@
     int etm;                    /* negotiate encrypt then mac?              */
 } opt;
 
-static void my_debug( void *ctx, int level, const char *str )
+static void my_debug( void *ctx, int level,
+                      const char *file, int line,
+                      const char *str )
 {
     ((void) level);
 
-    mbedtls_fprintf( (FILE *) ctx, "%s", str );
+    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
     fflush(  (FILE *) ctx  );
 }