diff --git a/install.ps1 b/install.ps1
index b88832d168..fd777f5ade 100644
--- a/install.ps1
+++ b/install.ps1
@@ -870,10 +870,8 @@ shell.Run cmd, 0, False
                     $baseInstallExit = Invoke-InstallCommand { uv pip install --python $VenvPython --no-deps -r $NoTorchReq }
                 }
             }
-        } elseif ($StudioLocalInstall) {
-            $baseInstallExit = Invoke-InstallCommand { uv pip install --python $VenvPython --upgrade-package unsloth $DefaultUnslothPkg $DefaultZooPkg }
         } else {
-            $baseInstallExit = Invoke-InstallCommand { uv pip install --python $VenvPython --upgrade-package unsloth $DefaultUnslothPkg $DefaultZooPkg }
+            $baseInstallExit = Invoke-InstallCommand { uv pip install --python $VenvPython --upgrade-package unsloth --upgrade-package unsloth-zoo $DefaultUnslothPkg $DefaultZooPkg }
         }
         if ($baseInstallExit -ne 0) {
             Write-Host "[ERROR] Failed to install unsloth (exit code $baseInstallExit)" -ForegroundColor Red
@@ -891,24 +889,18 @@ shell.Run cmd, 0, False
     } else {
         # Fallback: GPU detection failed to produce a URL -- let uv resolve torch
         substep "installing unsloth (this may take a few minutes)..."
+        $baseInstallExit = Invoke-InstallCommand { uv pip install --python $VenvPython --upgrade-package unsloth --upgrade-package unsloth-zoo $DefaultUnslothPkg $DefaultZooPkg --torch-backend=auto }
+        if ($baseInstallExit -ne 0) {
+            Write-Host "[ERROR] Failed to install unsloth (exit code $baseInstallExit)" -ForegroundColor Red
+            return
+        }
         if ($StudioLocalInstall) {
-            $baseInstallExit = Invoke-InstallCommand { uv pip install --python $VenvPython $DefaultZooPkg $DefaultUnslothPkg --torch-backend=auto }
-            if ($baseInstallExit -ne 0) {
-                Write-Host "[ERROR] Failed to install unsloth (exit code $baseInstallExit)" -ForegroundColor Red
-                return
-            }
             substep "overlaying local repo (editable)..."
             $overlayExit = Invoke-InstallCommand { uv pip install --python $VenvPython -e $RepoRoot --no-deps }
             if ($overlayExit -ne 0) {
                 Write-Host "[ERROR] Failed to overlay local repo (exit code $overlayExit)" -ForegroundColor Red
                 return
             }
-        } else {
-            $baseInstallExit = Invoke-InstallCommand { uv pip install --python $VenvPython $DefaultUnslothPkg $DefaultZooPkg --torch-backend=auto }
-            if ($baseInstallExit -ne 0) {
-                Write-Host "[ERROR] Failed to install unsloth (exit code $baseInstallExit)" -ForegroundColor Red
-                return
-            }
         }
     }
 
diff --git a/install.sh b/install.sh
index bc93543ac2..d9469999f2 100755
--- a/install.sh
+++ b/install.sh
@@ -68,6 +68,12 @@ for arg in "$@"; do
     esac
 done
 
+# Honor --package override: if the user passed a custom package name,
+# use it instead of the maintainer default for the unsloth install target.
+if [ "$PACKAGE_NAME" != "unsloth" ]; then
+    _DEFAULT_UNSLOTH_PKG="$PACKAGE_NAME"
+fi
+
 if [ "$_VERBOSE" = true ]; then
     export UNSLOTH_VERBOSE=1
 fi
@@ -1089,22 +1095,24 @@ elif [ -n "$TORCH_INDEX_URL" ]; then
         fi
     elif [ "$STUDIO_LOCAL_INSTALL" = true ]; then
         run_install_cmd "install unsloth (local)" uv pip install --python "$_VENV_PY" \
-            --upgrade-package unsloth "$_DEFAULT_UNSLOTH_PKG" "$_DEFAULT_ZOO_PKG"
+            --upgrade-package unsloth --upgrade-package unsloth-zoo "$_DEFAULT_UNSLOTH_PKG" "$_DEFAULT_ZOO_PKG"
         substep "overlaying local repo (editable)..."
         run_install_cmd "overlay local repo" uv pip install --python "$_VENV_PY" -e "$_REPO_ROOT" --no-deps
     else
         run_install_cmd "install unsloth" uv pip install --python "$_VENV_PY" \
-            --upgrade-package unsloth "$_DEFAULT_UNSLOTH_PKG" "$_DEFAULT_ZOO_PKG"
+            --upgrade-package unsloth --upgrade-package unsloth-zoo "$_DEFAULT_UNSLOTH_PKG" "$_DEFAULT_ZOO_PKG"
     fi
 else
     # Fallback: GPU detection failed to produce a URL -- let uv resolve torch
     substep "installing unsloth (this may take a few minutes)..."
     if [ "$STUDIO_LOCAL_INSTALL" = true ]; then
-        run_install_cmd "install unsloth (auto torch backend)" uv pip install --python "$_VENV_PY" "$_DEFAULT_ZOO_PKG" "$_DEFAULT_UNSLOTH_PKG" --torch-backend=auto
+        run_install_cmd "install unsloth (auto torch backend)" uv pip install --python "$_VENV_PY" \
+            --upgrade-package unsloth --upgrade-package unsloth-zoo "$_DEFAULT_UNSLOTH_PKG" "$_DEFAULT_ZOO_PKG" --torch-backend=auto
         substep "overlaying local repo (editable)..."
         run_install_cmd "overlay local repo" uv pip install --python "$_VENV_PY" -e "$_REPO_ROOT" --no-deps
     else
-        run_install_cmd "install unsloth (auto torch backend)" uv pip install --python "$_VENV_PY" "$_DEFAULT_UNSLOTH_PKG" "$_DEFAULT_ZOO_PKG" --torch-backend=auto
+        run_install_cmd "install unsloth (auto torch backend)" uv pip install --python "$_VENV_PY" \
+            --upgrade-package unsloth --upgrade-package unsloth-zoo "$_DEFAULT_UNSLOTH_PKG" "$_DEFAULT_ZOO_PKG" --torch-backend=auto
     fi
 fi