diff -ur emelfm2-0.7.1.orig/plugins/optional/gimpthumb.c emelfm2-0.7.1/plugins/optional/gimpthumb.c --- emelfm2-0.7.1.orig/plugins/optional/gimpthumb.c 2009-10-15 03:26:19.000000000 +0200 +++ emelfm2-0.7.1/plugins/optional/gimpthumb.c 2009-12-30 14:51:33.000000000 +0100 @@ -869,7 +869,7 @@ if (thumbnail->image_mimetype) { keys[i] = TAG_THUMB_MIMETYPE; - values[i] = g_strdup_printf (thumbnail->image_mimetype); + values[i] = g_strdup_printf ("%s", thumbnail->image_mimetype); i++; } Only in emelfm2-0.7.1/plugins/optional: gimpthumb.c~