1 files changed, 1 insertions, 1 deletions
diff --git a/numeric.c b/numeric.c
index 92a435df15..900054f83e 100644
--- a/numeric.c
+++ b/numeric.c
@@ -817,7 +817,7 @@ static VALUE
 flo_eq(x, y)
     VALUE x, y;
 {
-    double a, b;
+    volatile double a, b;
 
     switch (TYPE(y)) {
       case T_FIXNUM: