diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 00f913b638276b039f4b1255fbfeabe1f2d0ffd7..24ee67b42d05ec8759fc9c88820b1a22c62fde1a 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -980,7 +980,7 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
         .feat_names = {
             NULL, NULL, NULL, NULL,
             "avx-vnni-int8", "avx-ne-convert", NULL, NULL,
-            NULL, NULL, NULL, NULL,
+            "amx-complex", NULL, NULL, NULL,
             NULL, NULL, "prefetchiti", NULL,
             NULL, NULL, NULL, NULL,
             NULL, NULL, NULL, NULL,
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index a6000e93bd8ee28930df0dd5b25cba5612266b38..fbb05eace57ea1c6656225a93bb9cd1b322f50f1 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -930,6 +930,8 @@ uint64_t x86_cpu_get_supported_feature_word(FeatureWord w,
 #define CPUID_7_1_EDX_AVX_VNNI_INT8     (1U << 4)
 /* AVX NE CONVERT Instructions */
 #define CPUID_7_1_EDX_AVX_NE_CONVERT    (1U << 5)
+/* AMX COMPLEX Instructions */
+#define CPUID_7_1_EDX_AMX_COMPLEX       (1U << 8)
 /* PREFETCHIT0/1 Instructions */
 #define CPUID_7_1_EDX_PREFETCHITI       (1U << 14)