diff --git a/fetch b/fetch
index 14a142791b..fd28305258 100755
--- a/fetch
+++ b/fetch
@@ -9,4 +9,8 @@ base_dir=$(dirname "$0")
 # standalone, but allow other PATH manipulations to take priority.
 PATH=$PATH:$base_dir
 
-PYTHONDONTWRITEBYTECODE=1 exec vpython "$base_dir/fetch.py" "$@"
+if [[ $GCLIENT_PY3 == 1 ]]; then
+  PYTHONDONTWRITEBYTECODE=1 exec vpython3 "$base_dir/fetch.py" "$@"
+else
+  PYTHONDONTWRITEBYTECODE=1 exec vpython "$base_dir/fetch.py" "$@"
+fi
diff --git a/fetch.bat b/fetch.bat
index 6afd53092c..899972d6c3 100755
--- a/fetch.bat
+++ b/fetch.bat
@@ -12,4 +12,8 @@ call "%~dp0\update_depot_tools.bat"
 set PATH=%PATH%;%~dp0
 
 :: Defer control.
-vpython "%~dp0\fetch.py" %*
+IF "%GCLIENT_PY3%" == "1" (
+  vpython3 "%~dp0\fetch.py" %*y
+) ELSE (
+  vpython "%~dp0\fetch.py" %*
+)