diff --git a/mimedb.c b/mimedb.c
index 51b8e485e..76466f93d 100644
--- a/mimedb.c
+++ b/mimedb.c
@@ -1345,6 +1345,9 @@ int main (int argc, char *argv[])
 			case DESCRIPTION:
 			{
 				output = get_description( mimetype );				
+				if( !output )
+					output = strdup( _("Unknown") );
+				
 				break;
 			}
 			case ACTION: