diff --git a/qemu/target/i386/cpu.c b/qemu/target/i386/cpu.c
index 034ceac4..1abd9c02 100644
--- a/qemu/target/i386/cpu.c
+++ b/qemu/target/i386/cpu.c
@@ -661,7 +661,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
             NULL, NULL, NULL, NULL,
             NULL, NULL, NULL, NULL,
             NULL, NULL, "spec-ctrl", NULL,
-            NULL, NULL, NULL, NULL,
+            NULL, NULL, NULL, "ssbd",
         },
         7,
         true, 0,
diff --git a/qemu/target/i386/cpu.h b/qemu/target/i386/cpu.h
index 51f6e9a8..5d277548 100644
--- a/qemu/target/i386/cpu.h
+++ b/qemu/target/i386/cpu.h
@@ -663,6 +663,7 @@ typedef uint32_t FeatureWordArray[FEATURE_WORDS];
 #define CPUID_7_0_EDX_AVX512_4VNNIW (1U << 2) /* AVX512 Neural Network Instructions */
 #define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3) /* AVX512 Multiply Accumulation Single Precision */
 #define CPUID_7_0_EDX_SPEC_CTRL     (1U << 26) /* Speculation Control */
+#define CPUID_7_0_EDX_SPEC_CTRL_SSBD  (1U << 31) /* Speculative Store Bypass Disable */
 
 #define KVM_HINTS_DEDICATED (1U << 0)