--- a/src/cmake/modules/FindOpenEXR.cmake.ORIG	2018-10-02 00:55:53.000000000 +0200
+++ b/src/cmake/modules/FindOpenEXR.cmake	2018-10-28 15:54:52.009605065 +0100
@@ -55,11 +55,11 @@
 # Try to figure out version number
 if (EXISTS "${OPENEXR_INCLUDE_PATH}/OpenEXR/ImfMultiPartInputFile.h")
     # Must be at least 2.0
-    file(STRINGS "${OPENEXR_INCLUDE_PATH}/OpenEXR/OpenEXRConfig.h" TMP REGEX "^#define OPENEXR_VERSION_STRING .*$")
+    file(STRINGS "${OPENEXR_INCLUDE_PATH}/x86_64-pc-linux-gnu/OpenEXR/OpenEXRConfig.h" TMP REGEX "^#define OPENEXR_PACKAGE_STRING .*$")
     string (REGEX MATCHALL "[0-9]+[.0-9]+" OPENEXR_VERSION ${TMP})
-    file(STRINGS "${OPENEXR_INCLUDE_PATH}/OpenEXR/OpenEXRConfig.h" TMP REGEX "^#define OPENEXR_VERSION_MAJOR .*$")
+    file(STRINGS "${OPENEXR_INCLUDE_PATH}/x86_64-pc-linux-gnu/OpenEXR/OpenEXRConfig.h" TMP REGEX "^#define OPENEXR_VERSION_MAJOR .*$")
     string (REGEX MATCHALL "[0-9]+" OPENEXR_VERSION_MAJOR ${TMP})
-    file(STRINGS "${OPENEXR_INCLUDE_PATH}/OpenEXR/OpenEXRConfig.h" TMP REGEX "^#define OPENEXR_VERSION_MINOR .*$")
+    file(STRINGS "${OPENEXR_INCLUDE_PATH}/x86_64-pc-linux-gnu/OpenEXR/OpenEXRConfig.h" TMP REGEX "^#define OPENEXR_VERSION_MINOR .*$")
     string (REGEX MATCHALL "[0-9]+" OPENEXR_VERSION_MINOR ${TMP})
 else ()
     # Assume an old one, predates 2.x that had versions