diff --git a/math/libm-test.inc b/math/libm-test.inc
index 77950e529a..60711fabdc 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -943,7 +943,7 @@ atan2_test (void)
   TEST_ff_f (atan2, 0.390625L, .00029L, 1.57005392693128974780151246612928941L);
   TEST_ff_f (atan2, 1.390625L, 0.9296875L, 0.981498387184244311516296577615519772L);
 
-  TEST_ff_f (atan2, -0.00756827042671106339L, -.001792735857538728036L, -1.80338464113663849327153994380L);
+  TEST_ff_f (atan2, -0.00756827042671106339L, -.001792735857538728036L, -1.80338464113663849327153994379639112L);
 
   END (atan2);
 }