1 files changed, 1 insertions, 0 deletions
diff --git a/object.c b/object.c
index c1c60714e2..dca59471ce 100644
--- a/object.c
+++ b/object.c
@@ -2045,6 +2045,7 @@ rb_cstr_to_dbl(const char *p, int badcheck)
     if (!p) return 0.0;
     q = p;
     while (ISSPACE(*p)) p++;
+    errno = 0;
     d = strtod(p, &end);
     if (errno == ERANGE) {
 	OutOfRange();