diff --git a/chrome/common/chrome_paths_linux.cc b/chrome/common/chrome_paths_linux.cc
index f76296d8bbe6a..53b22dc4917fb 100644
--- a/chrome/common/chrome_paths_linux.cc
+++ b/chrome/common/chrome_paths_linux.cc
@@ -97,10 +97,13 @@ bool GetDefaultUserDataDirectory(base::FilePath* result) {
 #elif 0 //BUILDFLAG(GOOGLE_CHROME_BRANDING)
   std::string data_dir_basename = "google-chrome";
 #else
-  std::string data_dir_basename = nw::package()->GetName();
+  // Headless mode asks for this path from ChromeMain(), before
+  // ChromeMainDelegate::BasicStartupComplete() has loaded the package.
+  nw::Package* package = nw::package();
+  std::string data_dir_basename = package ? package->GetName() : "nwjs";
 #endif
 
-  *result = config_dir.Append(nw::package()->GetName());
+  *result = config_dir.Append(data_dir_basename);
   //*result = config_dir.Append(data_dir_basename + GetChannelSuffixForDataDir());
   return true;
 }
diff --git a/chrome/common/chrome_paths_mac.mm b/chrome/common/chrome_paths_mac.mm
index de1ea50c045ef..53702a34c5d49 100644
--- a/chrome/common/chrome_paths_mac.mm
+++ b/chrome/common/chrome_paths_mac.mm
@@ -88,7 +88,11 @@ bool GetDefaultUserDataDirectoryForProduct(const std::string& product_dir,
 namespace chrome {
 
 bool GetDefaultUserDataDirectory(base::FilePath* result) {
-  return GetDefaultUserDataDirectoryForProduct(nw::package()->GetName(), result);
+  // Headless mode asks for this path from ChromeMain(), before
+  // ChromeMainDelegate::BasicStartupComplete() has loaded the package.
+  nw::Package* package = nw::package();
+  return GetDefaultUserDataDirectoryForProduct(
+      package ? package->GetName() : "nwjs", result);
 }
 
 bool GetUserDocumentsDirectory(base::FilePath* result) {