--- a/src/git.c
+++ b/src/git.c
@@ -1917,7 +1917,7 @@ main(argc, argv)
     printf("%s %s (%s)\n", PRODUCT, VERSION, HOST);
 #endif /* !HAVE_GCC */
 
-    printf(copyright);
+    printf("%s", copyright);
 
 #ifdef DEBIAN
     add_to_environment("GIT_EDITOR",    "EDITOR",     "sensible-editor");