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-rw-r--r--target-i386/cpuid.c2
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;
}