diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index a05d3a641b..1e5123251d 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -987,7 +987,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
             NULL, NULL, NULL, NULL,
             "avx512-vp2intersect", NULL, "md-clear", NULL,
             NULL, NULL, "serialize", NULL,
-            NULL, NULL, NULL /* pconfig */, NULL,
+            "tsx-ldtrk", NULL, NULL /* pconfig */, NULL,
             NULL, NULL, NULL, NULL,
             NULL, NULL, "spec-ctrl", "stibp",
             NULL, "arch-capabilities", "core-capability", "ssbd",
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index bd71fe3ef2..37fffa5cac 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -779,6 +779,8 @@ typedef uint64_t FeatureWordArray[FEATURE_WORDS];
 #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8)
 /* SERIALIZE instruction */
 #define CPUID_7_0_EDX_SERIALIZE         (1U << 14)
+/* TSX Suspend Load Address Tracking instruction */
+#define CPUID_7_0_EDX_TSX_LDTRK         (1U << 16)
 /* Speculation Control */
 #define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
 /* Single Thread Indirect Branch Predictors */