diff -Nru gpscorrelate-1.6.1/debian/changelog gpscorrelate-1.6.1/debian/changelog
--- gpscorrelate-1.6.1/debian/changelog	2018-07-07 16:47:52.000000000 +0000
+++ gpscorrelate-1.6.1/debian/changelog	2020-02-06 01:23:36.000000000 +0000
@@ -1,3 +1,9 @@
+gpscorrelate (1.6.1-7+rpi1) bullseye-staging; urgency=medium
+
+  * Add missing include of exiv2/error.hpp
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Thu, 06 Feb 2020 01:23:36 +0000
+
 gpscorrelate (1.6.1-7) unstable; urgency=medium
 
   * Bump to Standard-Version 4.1.5. No changes required.
diff -Nru gpscorrelate-1.6.1/debian/patches/90-add-missing-include.patch gpscorrelate-1.6.1/debian/patches/90-add-missing-include.patch
--- gpscorrelate-1.6.1/debian/patches/90-add-missing-include.patch	1970-01-01 00:00:00.000000000 +0000
+++ gpscorrelate-1.6.1/debian/patches/90-add-missing-include.patch	2020-02-06 01:23:36.000000000 +0000
@@ -0,0 +1,13 @@
+Description: Add missing include of exiv2/error.hpp
+Author: Peter Michael Green <plugwash@raspbian.org>
+
+--- gpscorrelate-1.6.1.orig/exif-gps.cpp
++++ gpscorrelate-1.6.1/exif-gps.cpp
+@@ -43,6 +43,7 @@
+ 
+ #include "exiv2/image.hpp"
+ #include "exiv2/exif.hpp"
++#include "exiv2/error.hpp"
+ 
+ #include "gpsstructure.h"
+ #include "exif-gps.h"
diff -Nru gpscorrelate-1.6.1/debian/patches/series gpscorrelate-1.6.1/debian/patches/series
--- gpscorrelate-1.6.1/debian/patches/series	2018-07-07 15:10:55.000000000 +0000
+++ gpscorrelate-1.6.1/debian/patches/series	2020-02-06 01:23:36.000000000 +0000
@@ -6,3 +6,4 @@
 60-gpstimestamp-unsigned.patch
 70-option-overwrite-gpstags.patch
 80-cross.patch
+90-add-missing-include.patch