diff --git a/README.md b/README.md
index 9630c06df0..7d0c5bff54 100644
--- a/README.md
+++ b/README.md
@@ -191,7 +191,7 @@ pkg install python-dev termux-tools ndk-stl ndk-sysroot clang libvorbis-dev libo
 Then, you can build and install the .apk right away using these commands:
 
 ```bash
-python makepanda/makepanda.py --everything --target android-21 --installer
+python makepanda/makepanda.py --everything --target android-21 --no-tiff --installer
 xdg-open panda3d.apk
 ```
 
diff --git a/makepanda/makepanda.py b/makepanda/makepanda.py
index 4cd0600622..46fd15ae3a 100755
--- a/makepanda/makepanda.py
+++ b/makepanda/makepanda.py
@@ -5156,7 +5156,7 @@ if (not RUNTIME and GetTarget() == 'android'):
     TargetAdd('libppython.dll', input='libp3framework.dll')
     TargetAdd('libppython.dll', input='libp3android.dll')
     TargetAdd('libppython.dll', input=COMMON_PANDA_LIBS)
-    TargetAdd('libppython.dll', opts=['MODULE', 'ANDROID'])
+    TargetAdd('libppython.dll', opts=['MODULE', 'ANDROID', 'PYTHON'])
 
 #
 # DIRECTORY: panda/src/androiddisplay/
diff --git a/panda/src/distort/oSphereLens.cxx b/panda/src/distort/oSphereLens.cxx
index 7b8bd35591..9175453fd9 100644
--- a/panda/src/distort/oSphereLens.cxx
+++ b/panda/src/distort/oSphereLens.cxx
@@ -48,7 +48,7 @@ do_extrude(const Lens::CData *lens_cdata,
   LPoint3 f = point2d * do_get_film_mat_inv(lens_cdata);
 
   PN_stdfloat focal_length = do_get_focal_length(lens_cdata);
-  PN_stdfloat angle = f[0] * cylindrical_k / focal_length;
+  PN_stdfloat angle = f[0] * ospherical_k / focal_length;
   PN_stdfloat sinAngle, cosAngle;
   csincos(deg_2_rad(angle), &sinAngle, &cosAngle);