diff --git a/dovecot.spec b/dovecot.spec
index 443cf56..7201319 100644
--- a/dovecot.spec
+++ b/dovecot.spec
@@ -47,6 +47,7 @@ Patch16: dovecot-2.3.6-opensslhmac.patch
 # FTBFS
 Patch17: dovecot-2.3.15-fixvalcond.patch
 Patch18: dovecot-2.3.15-valbasherr.patch
+Patch19: dovecot-2.3.16-ftbfsbigend.patch
 
 Source15: prestartscript
 
@@ -143,6 +144,7 @@ This package provides the development files for dovecot.
 %patch16 -p1 -b .opensslhmac
 %patch17 -p1 -b .fixvalcond
 %patch18 -p1 -b .valbasherr
+%patch19 -p1 -b .ftbfsbigend
 cp run-test-valgrind.supp dovecot-2.3-pigeonhole-%{pigeonholever}/
 # valgrind would fail with shell wrapper
 echo "testsuite" >dovecot-2.3-pigeonhole-%{pigeonholever}/run-test-valgrind.exclude