diff --git a/lib/msun/src/e_atan2f.c b/lib/msun/src/e_atan2f.c
index d5219429d3a8..af011318d649 100644
--- a/lib/msun/src/e_atan2f.c
+++ b/lib/msun/src/e_atan2f.c
@@ -25,8 +25,8 @@ tiny  = 1.0e-30,
 zero  = 0.0,
 pi_o_4  = 7.8539818525e-01, /* 0x3f490fdb */
 pi_o_2  = 1.5707963705e+00, /* 0x3fc90fdb */
-pi      = 3.1415925026e+00, /* 0x40490fda */
-pi_lo   = 1.5099578832e-07; /* 0x34222168 */
+pi      = 3.1415927410e+00, /* 0x40490fdb */
+pi_lo   = -8.7422776573e-08; /* 0xb3bbbd2e */
 
 float
 __ieee754_atan2f(float y, float x)