diff --git a/libraries/wallet/CMakeLists.txt b/libraries/wallet/CMakeLists.txt
index 016abb23bf..c268c362a7 100644
--- a/libraries/wallet/CMakeLists.txt
+++ b/libraries/wallet/CMakeLists.txt
@@ -17,7 +17,7 @@ if( PERL_FOUND AND DOXYGEN_FOUND AND NOT "${CMAKE_GENERATOR}" STREQUAL "Ninja" )
                         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/generate_api_documentation.pl ${CMAKE_CURRENT_BINARY_DIR}/doxygen/perlmod/DoxyDocs.pm )
   else(MSVC)
     add_custom_command( OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/api_documentation.cpp
-                        COMMAND PERLLIB=${CMAKE_CURRENT_BINARY_DIR} ${PERL_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/generate_api_documentation.pl ${CMAKE_CURRENT_BINARY_DIR}/api_documentation.cpp.new
+                        COMMAND ${PERL_EXECUTABLE} -I "${CMAKE_CURRENT_BINARY_DIR}" ${CMAKE_CURRENT_SOURCE_DIR}/generate_api_documentation.pl ${CMAKE_CURRENT_BINARY_DIR}/api_documentation.cpp.new
                         COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_BINARY_DIR}/api_documentation.cpp.new ${CMAKE_CURRENT_BINARY_DIR}/api_documentation.cpp
                         COMMAND ${CMAKE_COMMAND} -E remove ${CMAKE_CURRENT_BINARY_DIR}/api_documentation.cpp.new
                         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/generate_api_documentation.pl ${CMAKE_CURRENT_BINARY_DIR}/doxygen/perlmod/DoxyDocs.pm )