diff --git a/cpuid_mips64.c b/cpuid_mips64.c
index 0e32bfc0b..0c19ac1e7 100644
--- a/cpuid_mips64.c
+++ b/cpuid_mips64.c
@@ -90,7 +90,7 @@ static char *cpuname[] = {
 
 int detect(void){
 
-#ifdef linux
+#ifdef __linux
   FILE *infile;
   char buffer[512], *p;