diff --git a/llvm/lib/Support/Windows/Signals.inc b/llvm/lib/Support/Windows/Signals.inc
index d3a70c365a4d..1d6263a3d7d9 100644
--- a/llvm/lib/Support/Windows/Signals.inc
+++ b/llvm/lib/Support/Windows/Signals.inc
@@ -266,7 +266,7 @@ static BOOL CALLBACK findModuleCallback(PCSTR ModuleName,
       continue;
     intptr_t Addr = (intptr_t)Data->StackTrace[I];
     if (Beg <= Addr && Addr < End) {
-      Data->Modules[I] = Data->StrPool->save(ModuleName);
+      Data->Modules[I] = Data->StrPool->save(ModuleName).data();
       Data->Offsets[I] = Addr - Beg;
     }
   }