diff --git a/clang-tools-extra/test/clang-tidy/readability-uppercase-literal-suffix-integer-ms.cpp b/clang-tools-extra/test/clang-tidy/readability-uppercase-literal-suffix-integer-ms.cpp
index f0d8708867cc..1ec3211e58d7 100644
--- a/clang-tools-extra/test/clang-tidy/readability-uppercase-literal-suffix-integer-ms.cpp
+++ b/clang-tools-extra/test/clang-tidy/readability-uppercase-literal-suffix-integer-ms.cpp
@@ -1,7 +1,7 @@
-// RUN: %check_clang_tidy %s readability-uppercase-literal-suffix %t -- -- -I %S -fms-extensions
+// RUN: %check_clang_tidy %s readability-uppercase-literal-suffix %t -- -- -target x86_64-pc-linux-gnu -I %S -fms-extensions
 // RUN: grep -Ev "// *[A-Z-]+:" %s > %t.cpp
-// RUN: clang-tidy %t.cpp -checks='-*,readability-uppercase-literal-suffix' -fix -- -I %S -fms-extensions
-// RUN: clang-tidy %t.cpp -checks='-*,readability-uppercase-literal-suffix' -warnings-as-errors='-*,readability-uppercase-literal-suffix' -- -I %S -fms-extensions
+// RUN: clang-tidy %t.cpp -checks='-*,readability-uppercase-literal-suffix' -fix -- -target x86_64-pc-linux-gnu -I %S -fms-extensions
+// RUN: clang-tidy %t.cpp -checks='-*,readability-uppercase-literal-suffix' -warnings-as-errors='-*,readability-uppercase-literal-suffix' -- -target x86_64-pc-linux-gnu -I %S -fms-extensions
 
 #include "readability-uppercase-literal-suffix.h"