diff --git a/sysdeps/loongarch/lp64/libm-test-ulps b/sysdeps/loongarch/lp64/libm-test-ulps
index 770bf36b11..185c5b4e92 100644
--- a/sysdeps/loongarch/lp64/libm-test-ulps
+++ b/sysdeps/loongarch/lp64/libm-test-ulps
@@ -1202,6 +1202,26 @@ Function: "log2_upward":
 double: 3
 ldouble: 1
 
+Function: "log2p1":
+double: 1
+float: 1
+ldouble: 3
+
+Function: "log2p1_downward":
+double: 2
+float: 2
+ldouble: 3
+
+Function: "log2p1_towardzero":
+double: 2
+float: 2
+ldouble: 2
+
+Function: "log2p1_upward":
+double: 1
+float: 2
+ldouble: 2
+
 Function: "log_downward":
 ldouble: 1