diff --git a/src/dos/dos_programs.cpp b/src/dos/dos_programs.cpp
index f09b55dc..bb442481 100644
--- a/src/dos/dos_programs.cpp
+++ b/src/dos/dos_programs.cpp
@@ -908,7 +908,7 @@ public:
 			/* try to identify ROM type */
 			PhysPt rom_base = 0;
 			if (data_read >= 0x4000 && rom_buffer[0] == 0x55 && rom_buffer[1] == 0xaa &&
-				rom_buffer[3] == 0xeb && strncmp((char*)(&rom_buffer[0x1e]), "IBM", 3) == 0) {
+				(rom_buffer[3] & 0xfc) == 0xe8 && strncmp((char*)(&rom_buffer[0x1e]), "IBM", 3) == 0) {
 
 				if (!IS_EGAVGA_ARCH) {
 					WriteOut(MSG_Get("PROGRAM_LOADROM_INCOMPATIBLE"));