diff --git a/drivers/bios_emulator/include/x86emu.h b/drivers/bios_emulator/include/x86emu.h
index d2650a8d160..cfdcd7b3e10 100644
--- a/drivers/bios_emulator/include/x86emu.h
+++ b/drivers/bios_emulator/include/x86emu.h
@@ -54,7 +54,7 @@ typedef u16 X86EMU_pioAddr;
 
 #if defined(CONFIG_ARM)
 #define GAS_LINE_COMMENT	"@"
-#elif defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_X86)
+#elif defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_X86) || defined(CONFIG_RISCV)
 #define GAS_LINE_COMMENT	"#"
 #elif defined (CONFIG_SH)
 #define GAS_LINE_COMMENT	"!"