diff --git a/cmake/Modules/FindGoTools.cmake b/cmake/Modules/FindGoTools.cmake
index 888f074e..dea2ee30 100644
--- a/cmake/Modules/FindGoTools.cmake
+++ b/cmake/Modules/FindGoTools.cmake
@@ -20,6 +20,10 @@ FIND_LIBRARY(GoTools_LIBRARIES
 # Check for newer GoTools
 EXECUTE_PROCESS(COMMAND cat "${GoTools_INCLUDE_DIRS}/GoTools/geometry/GoTools.h" OUTPUT_VARIABLE GOTOOLS_HEADER)
 STRING(REGEX MATCH "GO_VERSION_MAJOR ([0-9]+)" GoTools_VERSION_MAJOR ${GOTOOLS_HEADER})
+IF(NOT GoTools_VERSION_MAJOR)
+  EXECUTE_PROCESS(COMMAND cat "${GoTools_INCLUDE_DIRS}/GoTools/geometry/GoTools_version.h" OUTPUT_VARIABLE GOTOOLS_HEADER)
+  STRING(REGEX MATCH "GO_VERSION_MAJOR ([0-9]+)" GoTools_VERSION_MAJOR ${GOTOOLS_HEADER})
+ENDIF(NOT GoTools_VERSION_MAJOR)
 STRING(REGEX REPLACE "GO_VERSION_MAJOR ([0-9]+)" "\\1" GoTools_VERSION_MAJOR "${GoTools_VERSION_MAJOR}")
 STRING(REGEX MATCH "GO_VERSION_MINOR ([0-9]+)" GoTools_VERSION_MINOR ${GOTOOLS_HEADER})
 STRING(REGEX REPLACE "GO_VERSION_MINOR ([0-9]+)" "\\1" GoTools_VERSION_MINOR "${GoTools_VERSION_MINOR}")