1 files changed, 1 insertions, 1 deletions
diff --git a/target-i386/cpuid.c b/target-i386/cpuid.c
index 9fc9769edd..0b3af9060c 100644
--- a/target-i386/cpuid.c
+++ b/target-i386/cpuid.c
@@ -711,7 +711,7 @@ static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, const char *cpu_model)
 
                 tsc_freq = strtosz_suffix_unit(val, &err,
                                                STRTOSZ_DEFSUFFIX_B, 1000);
-                if (!*val || *err) {
+                if (tsc_freq < 0 || *err) {
                     fprintf(stderr, "bad numerical value %s\n", val);
                     goto error;
                 }