diff --git a/contrib/packaging/hgpackaging/inno.py b/contrib/packaging/hgpackaging/inno.py
--- a/contrib/packaging/hgpackaging/inno.py
+++ b/contrib/packaging/hgpackaging/inno.py
@@ -33,6 +33,11 @@
     'win32ctypes',
 }
 
+EXTRA_INCLUDES = {
+    '_curses',
+    '_curses_panel',
+}
+
 EXTRA_INSTALL_RULES = [
     ('contrib/win32/mercurial.ini', 'defaultrc/mercurial.rc'),
 ]
@@ -78,6 +83,7 @@
         'inno',
         requirements_txt,
         extra_packages=EXTRA_PACKAGES,
+        extra_includes=EXTRA_INCLUDES,
     )
 
     # Purge the staging directory for every build so packaging is
diff --git a/contrib/packaging/hgpackaging/wix.py b/contrib/packaging/hgpackaging/wix.py
--- a/contrib/packaging/hgpackaging/wix.py
+++ b/contrib/packaging/hgpackaging/wix.py
@@ -39,6 +39,10 @@
     'win32ctypes',
 }
 
+EXTRA_INCLUDES = {
+    '_curses',
+    '_curses_panel',
+}
 
 EXTRA_INSTALL_RULES = [
     ('contrib/packaging/wix/COPYING.rtf', 'COPYING.rtf'),
@@ -330,6 +334,7 @@
         requirements_txt,
         extra_packages=EXTRA_PACKAGES,
         extra_packages_script=extra_packages_script,
+        extra_includes=EXTRA_INCLUDES,
     )
 
     build_dir = hg_build_dir / ('wix-%s' % arch)