diff --git a/clang-tools-extra/clang-tidy/NoLintDirectiveHandler.cpp b/clang-tools-extra/clang-tidy/NoLintDirectiveHandler.cpp
--- a/clang-tools-extra/clang-tidy/NoLintDirectiveHandler.cpp
+++ b/clang-tools-extra/clang-tidy/NoLintDirectiveHandler.cpp
@@ -266,7 +266,7 @@
       return true;
     if (!DiagLoc.isMacroID())
       return false;
-    DiagLoc = SrcMgr.getImmediateMacroCallerLoc(DiagLoc);
+    DiagLoc = SrcMgr.getImmediateExpansionRange(DiagLoc).getBegin();
   }
   return false;
 }
diff --git a/clang-tools-extra/test/clang-tidy/infrastructure/nolint.cpp b/clang-tools-extra/test/clang-tidy/infrastructure/nolint.cpp
--- a/clang-tools-extra/test/clang-tidy/infrastructure/nolint.cpp
+++ b/clang-tools-extra/test/clang-tidy/infrastructure/nolint.cpp
@@ -96,6 +96,16 @@
 #define MACRO_NOLINT class G { G(int i); }; // NOLINT
 MACRO_NOLINT
 
+// Check that we can suppress diagnostics about macro arguments (as opposed to
+// diagnostics about the macro contents itself).
+#define MACRO_SUPPRESS_DIAG_FOR_ARG(X) \
+  class X {                            \
+    X(int i); /* NOLINT */             \
+  };
+
+MACRO_SUPPRESS_DIAG_FOR_ARG(G1)
+MACRO_SUPPRESS_DIAG_FOR_ARG(G2)
+
 #define DOUBLE_MACRO MACRO(H) // NOLINT
 DOUBLE_MACRO
 
@@ -116,4 +126,4 @@
 int array3[10];  // NOLINT(cppcoreguidelines-avoid-c-arrays,modernize-avoid-c-arrays)
 int array4[10];  // NOLINT(*-avoid-c-arrays)
 
-// CHECK-MESSAGES: Suppressed 34 warnings (34 NOLINT)
+// CHECK-MESSAGES: Suppressed 36 warnings (36 NOLINT)