diff --git a/hugin-openexr3.patch b/hugin-openexr3.patch
new file mode 100644
index 0000000..35aff7b
--- /dev/null
+++ b/hugin-openexr3.patch
@@ -0,0 +1,54 @@
+Index: hugin-2020.0.0/CMakeLists.txt
+===================================================================
+--- hugin-2020.0.0.orig/CMakeLists.txt
++++ hugin-2020.0.0/CMakeLists.txt
+@@ -214,7 +214,18 @@ ENDIF()
+ 
+ ENDIF()
+ 
+-FIND_PACKAGE(OpenEXR REQUIRED)
++FIND_PACKAGE(Imath CONFIG)
++IF(TARGET Imath::Imath)
++    FIND_PACKAGE(OpenEXR CONFIG REQUIRED)
++	FIND_PACKAGE(ZLIB REQUIRED)
++	get_target_property(OPENEXR_INCLUDE_DIR OpenEXR::OpenEXRConfig INTERFACE_INCLUDE_DIRECTORIES)
++	get_target_property(IMATH_INCLUDE_DIR Imath::ImathConfig INTERFACE_INCLUDE_DIRECTORIES)
++    list(APPEND OPENEXR_INCLUDE_DIR ${IMATH_INCLUDE_DIR})
++	set(OPENEXR_LIBRARIES OpenEXR::OpenEXR Imath::Imath ${ZLIB_LIBRARIES})
++	set(OPENEXR_FOUND TRUE)
++ELSE()
++    FIND_PACKAGE(OpenEXR REQUIRED)
++ENDIF()
+ include_directories(${OPENEXR_INCLUDE_DIR})
+ 
+ FIND_PACKAGE(VIGRA 1.9.0 REQUIRED)
+Index: hugin-2020.0.0/src/hugin_base/vigra_ext/ReduceOpenEXR.h
+===================================================================
+--- hugin-2020.0.0.orig/src/hugin_base/vigra_ext/ReduceOpenEXR.h
++++ hugin-2020.0.0/src/hugin_base/vigra_ext/ReduceOpenEXR.h
+@@ -25,8 +25,8 @@
+ #include <vigra_ext/HDRUtils.h>
+ #include <vigra_ext/FileRAII.h>
+ 
+-#include <ImfRgbaFile.h>
+-#include <ImfArray.h>
++#include <OpenEXR/ImfRgbaFile.h>
++#include <OpenEXR/ImfArray.h>
+ 
+ 
+ // hack to read pgm header
+Index: hugin-2020.0.0/CMakeModules/FindVIGRA.cmake
+===================================================================
+--- hugin-2020.0.0.orig/CMakeModules/FindVIGRA.cmake
++++ hugin-2020.0.0/CMakeModules/FindVIGRA.cmake
+@@ -75,6 +75,9 @@ IF (VIGRA_FOUND)
+       )
+       STRING(TOLOWER "${OUTPUT_LDD_VIGRA}" OUTPUT_LDD_VIGRA_LOWER)
+       IF(NOT "${OUTPUT_LDD_VIGRA_LOWER}" MATCHES "libilmimf")
++      ELSEIF(NOT "${OUTPUT_LDD_VIGRA_LOWER}" MATCHES "libiopenexr")
++	    MESSAGE(STATUS "OpenEXR is version 3 or greter.")
++	  ELSE()
+         MESSAGE(FATAL_ERROR "Libvigraimpex found. But vigraimpex seems to compiled without OpenEXR support. OpenEXR support is required for Hugin.")
+       ENDIF()
+     ELSE()
+
diff --git a/hugin.changes b/hugin.changes
index 8c9dda2..a7d421b 100644
--- a/hugin.changes
+++ b/hugin.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Tue Aug 10 11:25:24 UTC 2021 - pgajdos@suse.com
+
+- build with OpenEXR 3
+- added patches
+  fix https://src.fedoraproject.org/rpms/hugin/blob/rawhide/f/hugin-openexr3.patch
+  + hugin-openexr3.patch
+
 -------------------------------------------------------------------
 Mon Dec 21 15:43:34 UTC 2020 - Atri Bhattacharya <badshah400@gmail.com>
 
diff --git a/hugin.spec b/hugin.spec
index 9a981b4..e3c1a17 100644
--- a/hugin.spec
+++ b/hugin.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package hugin
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -62,6 +62,8 @@ Group:          Productivity/Graphics/Other
 URL:            http://hugin.sourceforge.net/
 Source:         http://downloads.sourceforge.net/project/%{name}/%{name}/%{name}-%{mversion}/%{name}-%{version}.tar.bz2
 Patch0:         hugin.appdata.patch
+# https://src.fedoraproject.org/rpms/hugin/blob/rawhide/f/hugin-openexr3.patch
+Patch1:         hugin-openexr3.patch
 Requires:       enblend-enfuse >= 3.2
 # needed for photo stiching (bnc#822775)
 Requires:       make
@@ -80,6 +82,7 @@ detection and extraction of key points.
 %prep
 %setup -q
 %patch0
+%patch1 -p1
 
 chmod -x AUTHORS authors.txt Changes.txt README COPYING.txt
 
@@ -90,6 +93,8 @@ mv src/translations/cs_CZ.po src/translations/cs.po
 #sed -i "s/ca_ES/ca/;s/cs_CZ/cs/" src/hugin/po/LINGUAS
 
 %build
+# Doesn't define the ZLIB::ZLIB target needed by OpenEXR 3
+rm CMakeModules/FindZLIB.cmake
 %cmake \
 	-DENABLE_LAPACK=%{?with_lapack:ON}%{!?with_lapack:OFF} \
 	-DBUILD_HSI=%{?with_hsi:ON}%{!?with_hsi:OFF} \