diff --git a/src/util/virsysinfo.c b/src/util/virsysinfo.c
index d644dbc8af..4edce66a6b 100644
--- a/src/util/virsysinfo.c
+++ b/src/util/virsysinfo.c
@@ -50,7 +50,7 @@ static const char *sysinfoCpuinfo = "/proc/cpuinfo";
 #define SYSINFO_SMBIOS_DECODER sysinfoDmidecode
 #define SYSINFO sysinfoSysinfo
 #define CPUINFO sysinfoCpuinfo
-#define CPUINFO_FILE_LEN (10*1024)	/* 10KB limit for /proc/cpuinfo file */
+#define CPUINFO_FILE_LEN (1024*1024)	/* 1MB limit for /proc/cpuinfo file */
 
 /* only to be used test programs, therefore not in sysinfo.h */
 extern void virSysinfoSetup(const char *dmidecode, const char *sysinfo,