diff --git a/src/arm/cpu.c b/src/arm/cpu.c
index 6c398672..c8950498 100644
--- a/src/arm/cpu.c
+++ b/src/arm/cpu.c
@@ -148,11 +148,8 @@ COLD unsigned dav1d_get_cpu_flags_arm(void) {
     if (IsProcessorFeaturePresent(PF_ARM_SVE2_INSTRUCTIONS_AVAILABLE))
         flags |= DAV1D_ARM_CPU_FLAG_SVE2;
 #endif
-#ifdef PF_ARM_SVE_I8MM_INSTRUCTIONS_AVAILABLE
-    /* There's no PF_* flag that indicates whether plain I8MM is available
-     * or not. But if SVE_I8MM is available, that also implies that
-     * regular I8MM is available. */
-    if (IsProcessorFeaturePresent(PF_ARM_SVE_I8MM_INSTRUCTIONS_AVAILABLE))
+#ifdef PF_ARM_V82_I8MM_INSTRUCTIONS_AVAILABLE
+    if (IsProcessorFeaturePresent(PF_ARM_V82_I8MM_INSTRUCTIONS_AVAILABLE))
         flags |= DAV1D_ARM_CPU_FLAG_I8MM;
 #endif
     return flags;