diff --git a/unittests/32Bit_ASM/Disabled_Tests b/unittests/32Bit_ASM/Disabled_Tests
index 939a0c0cb..6e14fd908 100644
--- a/unittests/32Bit_ASM/Disabled_Tests
+++ b/unittests/32Bit_ASM/Disabled_Tests
@@ -5,3 +5,6 @@ Test_32Bit_X87/D9_FD.asm
 Test_32Bit_X87/D9_F9.asm
 
 Test_32Bit_X87/D9_F2.asm
+
+# Relies on rounding correctness
+Test_32Bit_X87/D9_F8.asm
diff --git a/unittests/32Bit_ASM/Known_Failures b/unittests/32Bit_ASM/Known_Failures
index e69de29bb..3a08d294a 100644
--- a/unittests/32Bit_ASM/Known_Failures
+++ b/unittests/32Bit_ASM/Known_Failures
@@ -0,0 +1 @@
+Test_32Bit_X87/D9_F8.asm
diff --git a/unittests/ASM/Disabled_Tests b/unittests/ASM/Disabled_Tests
index 38d8597da..7b2e05532 100644
--- a/unittests/ASM/Disabled_Tests
+++ b/unittests/ASM/Disabled_Tests
@@ -23,3 +23,6 @@ Test_Primary/Primary_E9.asm
 Test_X87/D9_F9.asm
 
 Test_X87/D9_F2.asm
+
+# Relies on rounding correctness
+Test_X87/D9_F8.asm
diff --git a/unittests/ASM/Known_Failures b/unittests/ASM/Known_Failures
index 1c270799d..6044e44d7 100644
--- a/unittests/ASM/Known_Failures
+++ b/unittests/ASM/Known_Failures
@@ -1 +1 @@
-# No known failures
+Test_X87/D9_F8.asm