diff --git a/thunderbird.spec b/thunderbird.spec
index 43f4795..750cdaa 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -37,7 +37,7 @@
 %define _default_patch_fuzz 2
 
 # Use system libvpx?
-%if 0%{?fedora} > 22
+%if 0%{?fedora} > 23
 %define system_libvpx      1
 %else
 %define system_libvpx      0