diff --git a/libexec/pyenv-sh-rehash b/libexec/pyenv-sh-rehash
index b0dab063..0e4f664c 100755
--- a/libexec/pyenv-sh-rehash
+++ b/libexec/pyenv-sh-rehash
@@ -11,7 +11,13 @@ shell="$(basename "${PYENV_SHELL:-$SHELL}")"
 
 # When pyenv shell integration is enabled, delegate to pyenv-rehash,
 # then tell the shell to empty its command lookup cache.
-echo "command pyenv rehash"
+case "$shell" in
+pwsh)
+  echo "&pyenv rehash"
+  ;;
+*)
+  echo "command pyenv rehash"
+esac
 
 case "$shell" in
 fish | pwsh )
diff --git a/test/rehash.bats b/test/rehash.bats
index 34e18d7c..7d5fe35f 100755
--- a/test/rehash.bats
+++ b/test/rehash.bats
@@ -128,10 +128,17 @@ hash -r 2>/dev/null || true"
   assert [ -x "${PYENV_ROOT}/shims/python" ]
 }
 
-@test "sh-rehash in pwsh" {
+@test "sh-rehash in powershell" {
   create_executable "3.4" "python"
   PYENV_SHELL=pwsh run pyenv-sh-rehash
-  assert_success ""
+  assert_success "&pyenv rehash"
+}
+
+@test "sh-rehash in powershell (integration)" {
+  command -v pwsh >/dev/null || skip "-- powershell not installed" 
+  create_alt_executable_in_version "3.4" "python"
+  run pwsh -NoProfile -Command "iex (&pyenv-sh-rehash)"
+  assert_success
   assert [ -x "${PYENV_ROOT}/shims/python" ]
 }