--- orig/o/main.c
+++ mod/o/main.c
@@ -378,10 +378,15 @@
 #endif
             { install_segmentation_catcher() ;}
           FEerror("Caught fatal error [memory may be damaged]",0); }
+#ifdef UNIX
+#define WRITE_WITHOUT_MALLOC(string) write(2, string, strlen(string))
+       WRITE_WITHOUT_MALLOC("\nUnrecoverable error: ");
+       WRITE_WITHOUT_MALLOC(s);
+       WRITE_WITHOUT_MALLOC(".\n");
+       abort();
+#else
        printf("\nUnrecoverable error: %s.\n", s);
        fflush(stdout);
-#ifdef UNIX
-    abort();
 #endif
 }