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-rw-r--r--src/arch/x86/lib/cpu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/arch/x86/lib/cpu.c b/src/arch/x86/lib/cpu.c
index ada57e22fe..8aacaac196 100644
--- a/src/arch/x86/lib/cpu.c
+++ b/src/arch/x86/lib/cpu.c
@@ -147,7 +147,7 @@ int cpu_phys_address_size(void)
if (cpu_cpuid_extended_level() >= 0x80000008)
return cpuid_eax(0x80000008) & 0xff;
- if (cpuid_eax(1) & (CPUID_FEATURE_PAE | CPUID_FEATURE_PSE36))
+ if (cpuid_edx(1) & (CPUID_FEATURE_PAE | CPUID_FEATURE_PSE36))
return 36;
return 32;
}