diff --git a/bin/pyenv-sh-activate b/bin/pyenv-sh-activate
index 355c344..5b58efd 100755
--- a/bin/pyenv-sh-activate
+++ b/bin/pyenv-sh-activate
@@ -112,7 +112,7 @@ EOS
   cat <<EOS
 unset PYENV_DEACTIVATE;
 export PYENV_ACTIVATE="${prefix}";
-source "${prefix}/bin/activate";
+. "${prefix}/bin/activate";
 EOS
   ;;
 esac
diff --git a/test/activate.bats b/test/activate.bats
index 565ff77..320447e 100644
--- a/test/activate.bats
+++ b/test/activate.bats
@@ -24,7 +24,7 @@ setup() {
   assert_output <<EOS
 unset PYENV_DEACTIVATE;
 export PYENV_ACTIVATE="${PYENV_ROOT}/versions/venv";
-source "${PYENV_ROOT}/versions/venv/bin/activate";
+. "${PYENV_ROOT}/versions/venv/bin/activate";
 EOS
 }
 
@@ -46,7 +46,7 @@ EOS
 pyenv-virtualenv: activate venv
 unset PYENV_DEACTIVATE;
 export PYENV_ACTIVATE="${PYENV_ROOT}/versions/venv";
-source "${PYENV_ROOT}/versions/venv/bin/activate";
+. "${PYENV_ROOT}/versions/venv/bin/activate";
 EOS
 }
 
@@ -68,7 +68,7 @@ EOS
 pyenv shell "venv";
 unset PYENV_DEACTIVATE;
 export PYENV_ACTIVATE="${PYENV_ROOT}/versions/venv";
-source "${PYENV_ROOT}/versions/venv/bin/activate";
+. "${PYENV_ROOT}/versions/venv/bin/activate";
 EOS
 }
 
@@ -131,7 +131,7 @@ EOS
 pyenv shell "venv27";
 unset PYENV_DEACTIVATE;
 export PYENV_ACTIVATE="${PYENV_ROOT}/versions/venv27";
-source "${PYENV_ROOT}/versions/venv27/bin/activate";
+. "${PYENV_ROOT}/versions/venv27/bin/activate";
 EOS
 }
 
@@ -151,7 +151,7 @@ EOS
 pyenv shell "venv27";
 unset PYENV_DEACTIVATE;
 export PYENV_ACTIVATE="${PYENV_ROOT}/versions/venv27";
-source "${PYENV_ROOT}/versions/venv27/bin/activate";
+. "${PYENV_ROOT}/versions/venv27/bin/activate";
 EOS
 }