diff --git a/cmake-proxies/cmake-modules/Version.cmake b/cmake-proxies/cmake-modules/Version.cmake
index d59134a47..bf618bba6 100644
--- a/cmake-proxies/cmake-modules/Version.cmake
+++ b/cmake-proxies/cmake-modules/Version.cmake
@@ -6,10 +6,10 @@ execute_process(
    COMMAND
       ${GIT} show -s "--format=#define REV_LONG \"%H\"%n#define REV_TIME \"%cd\"%n"
    OUTPUT_FILE
-      RevisionIdent.h.in
+      ${_PRVDIR}/RevisionIdent.h.in
    OUTPUT_STRIP_TRAILING_WHITESPACE
    ERROR_QUIET
 )
 
-configure_file( RevisionIdent.h.in RevisionIdent.h COPYONLY )
+configure_file( ${_PRVDIR}/RevisionIdent.h.in ${_PRVDIR}/RevisionIdent.h COPYONLY )
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ce3950dee..cbe3236da 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -22,9 +22,10 @@ if( GIT_FOUND )
       version
       COMMAND
          ${CMAKE_COMMAND} -D GIT=${GIT_EXECUTABLE}
+                          -D _PRVDIR=${_PRVDIR}
                           -P ${CMAKE_MODULE_PATH}/Version.cmake
       WORKING_DIRECTORY
-         ${_PRVDIR}
+         ${topdir}
    )
    add_dependencies( ${TARGET} version )
 endif()