diff --git a/cpu.cpp b/cpu.cpp
index bb3ec57c..8f23a652 100644
--- a/cpu.cpp
+++ b/cpu.cpp
@@ -263,7 +263,7 @@ void DetectX86Features()
 		g_cacheLineSize = GETBYTE(cpuid2[2], 0);
 		g_hasRDRAND = !!(cpuid1[2] /*ECX*/ & RDRAND_FLAG);
 
-		if (cpuid1[0] /*EAX*/ >= 7)
+		if (cpuid0[0] /*EAX*/ >= 7)
 		{
 			if (CpuId(7, cpuid2))
 			{