diff --git a/disas.c b/disas.c
index e392a2926e52..63dc573e9f6e 100644
--- a/disas.c
+++ b/disas.c
@@ -438,9 +438,13 @@ void disas(FILE *out, void *code, unsigned long size)
 #elif defined(__i386__)
     s.info.mach = bfd_mach_i386_i386;
     print_insn = print_insn_i386;
+    s.info.cap_arch = CS_ARCH_X86;
+    s.info.cap_mode = CS_MODE_32;
 #elif defined(__x86_64__)
     s.info.mach = bfd_mach_x86_64;
     print_insn = print_insn_i386;
+    s.info.cap_arch = CS_ARCH_X86;
+    s.info.cap_mode = CS_MODE_64;
 #elif defined(_ARCH_PPC)
     s.info.disassembler_options = (char *)"any";
     print_insn = print_insn_ppc;
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 13b2f8fbc5ae..cf890b763b1f 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -51,6 +51,8 @@
 #include "hw/i386/apic_internal.h"
 #endif
 
+#include "disas/capstone.h"
+
 
 /* Cache topology CPUID constants: */
 
@@ -4106,6 +4108,11 @@ static void x86_disas_set_info(CPUState *cs, disassemble_info *info)
                   : env->hflags & HF_CS32_MASK ? bfd_mach_i386_i386
                   : bfd_mach_i386_i8086);
     info->print_insn = print_insn_i386;
+
+    info->cap_arch = CS_ARCH_X86;
+    info->cap_mode = (env->hflags & HF_CS64_MASK ? CS_MODE_64
+                      : env->hflags & HF_CS32_MASK ? CS_MODE_32
+                      : CS_MODE_16);
 }
 
 static Property x86_cpu_properties[] = {