diff --git a/clang-tools-extra/clangd/SourceCode.cpp b/clang-tools-extra/clangd/SourceCode.cpp
index 0d08bf8..f6f9371 100644
--- a/clang-tools-extra/clangd/SourceCode.cpp
+++ b/clang-tools-extra/clangd/SourceCode.cpp
@@ -8,6 +8,7 @@
 #include "SourceCode.h"
 
 #include "FuzzyMatch.h"
+#include "Preamble.h"
 #include "Protocol.h"
 #include "refactor/Tweak.h"
 #include "support/Context.h"
@@ -961,7 +962,9 @@
     Loc = Loc.getLocWithOffset(-1);
   MacroDefinition MacroDef = PP.getMacroDefinitionAtLoc(IdentifierInfo, Loc);
   if (auto *MI = MacroDef.getMacroInfo())
-    return DefinedMacro{IdentifierInfo->getName(), MI};
+    return DefinedMacro{
+        IdentifierInfo->getName(), MI,
+        translatePreamblePatchLocation(MI->getDefinitionLoc(), SM)};
   return None;
 }