diff --git a/sysdeps/x86/cpu-features.h b/sysdeps/x86/cpu-features.h
index 7c46242..535b3cb 100644
--- a/sysdeps/x86/cpu-features.h
+++ b/sysdeps/x86/cpu-features.h
@@ -277,7 +277,7 @@ extern const struct cpu_features *__get_cpu_features (void)
 #define bit_cpu_PAT		(1u << 16)
 #define bit_cpu_PSE_36		(1u << 17)
 #define bit_cpu_PSN		(1u << 18)
-#define bit_cpu_CLFSH		(1u << 20)
+#define bit_cpu_CLFSH		(1u << 19)
 #define bit_cpu_DS		(1u << 21)
 #define bit_cpu_ACPI		(1u << 22)
 #define bit_cpu_MMX		(1u << 23)