diff --git a/libbacktrace/filetype.awk b/libbacktrace/filetype.awk
index 1eefa7e72f0e..30349046efd8 100644
--- a/libbacktrace/filetype.awk
+++ b/libbacktrace/filetype.awk
@@ -3,6 +3,7 @@
 /^\177ELF\002/      { if (NR == 1) { print "elf64"; exit } }
 /^\114\001/         { if (NR == 1) { print "pecoff"; exit } }
 /^\144\206/         { if (NR == 1) { print "pecoff"; exit } }
+/^\000\000\377\377/ { if (NR == 1) { print "pecoff"; exit } }
 /^\001\337/         { if (NR == 1) { print "xcoff32"; exit } }
 /^\001\367/         { if (NR == 1) { print "xcoff64"; exit } }
 /^\376\355\372\316/ { if (NR == 1) { print "macho"; exit } }