diff --git a/src/libromdata/Other/exe_pe_structs.h b/src/libromdata/Other/exe_pe_structs.h
index d9d91af8d..d0ab1321b 100644
--- a/src/libromdata/Other/exe_pe_structs.h
+++ b/src/libromdata/Other/exe_pe_structs.h
@@ -490,6 +490,8 @@ ASSERT_STRUCT(IMAGE_RESOURCE_DIRECTORY, 16);
 ASSERT_STRUCT(IMAGE_RESOURCE_DIRECTORY_ENTRY, 2*sizeof(uint32_t));
 ASSERT_STRUCT(IMAGE_RESOURCE_DATA_ENTRY, 4*sizeof(uint32_t));
 
+#define IMAGE_FILE_MACHINE_POWERPCBE 0x01F2	/* PowerPC big-endian (Xbox 360) */
+
 #endif /* IMAGE_NT_SIGNATURE */
 
 /**