diff --git a/parser/CMakeLists.txt b/parser/CMakeLists.txt
index 6b544dc..a746742 100644
--- a/parser/CMakeLists.txt
+++ b/parser/CMakeLists.txt
@@ -1,71 +1,71 @@
 if (BUILD_TESTING)
     add_subdirectory(test)
 endif()
 
 set(parser_STAT_SRCS
     phplexer.cpp
     parsesession.cpp
 )
 
 kdevpgqt_generate(parser_SRCS php NAMESPACE Php DEBUG_VISITOR TOKEN_TEXT
-    "${php_SOURCE_DIR}/parser/php.g"
-    "${php_SOURCE_DIR}/parser/phplexer.h"
+    "${CMAKE_CURRENT_SOURCE_DIR}/php.g"
+    "${CMAKE_CURRENT_SOURCE_DIR}/phplexer.h"
 )
 ecm_qt_declare_logging_category(parser_SRCS
     HEADER parserdebug.h
     IDENTIFIER PARSER
     CATEGORY_NAME "kdevelop.languages.php.parser"
 )
 
 add_library(kdevphpparser SHARED ${parser_SRCS} ${parser_STAT_SRCS})
 
 generate_export_header(kdevphpparser EXPORT_MACRO_NAME KDEVPHPPARSER_EXPORT
                                       EXPORT_FILE_NAME parserexport.h)
 target_link_libraries(kdevphpparser LINK_PRIVATE
     KDev::Language
     KF5::I18n
 )
 
 # hack to make phpdebugvisitor.h (generated at compile time)
 # use the correct EXPORT tags when compiling in MinGW
 if (MINGW)
     add_definitions(-DMAKE_KDEV4PHPPARSER_LIB)
 endif (MINGW)
 
 target_include_directories(kdevphpparser
     PUBLIC $<INSTALL_INTERFACE:${KDEVPHP_PRIVATE_INCLUDE_DIR}/parser>
     PUBLIC $<INSTALL_INTERFACE:${KDEVPHP_PRIVATE_INCLUDE_DIR}>
     PUBLIC $<INSTALL_INTERFACE:${KDEVPHP_INCLUDE_DIR}>
 )
 
 if (BUILD_TESTING)
     add_executable(php-parser main.cpp)
     target_link_libraries(php-parser
         KDev::Tests
         KDev::Language
         kdevphpparser
     )
 endif()
 
 install(TARGETS kdevphpparser EXPORT KDevPHPTargets DESTINATION ${INSTALL_TARGETS_DEFAULT_ARGS})
 install(FILES
     parsesession.h
     phplexer.h
     tokenstream.h
     DESTINATION ${KDEVPHP_INCLUDE_DIR}/parser
     COMPONENT Devel
 )
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/parserexport.h
     ${CMAKE_CURRENT_BINARY_DIR}/phpast-fwd.h
     ${CMAKE_CURRENT_BINARY_DIR}/phpast.h
     ${CMAKE_CURRENT_BINARY_DIR}/phpdebugvisitor.h
     ${CMAKE_CURRENT_BINARY_DIR}/phpdefaultvisitor.h
     ${CMAKE_CURRENT_BINARY_DIR}/phpparser.h
     ${CMAKE_CURRENT_BINARY_DIR}/phptokentext.h
     ${CMAKE_CURRENT_BINARY_DIR}/phptokentype.h
     ${CMAKE_CURRENT_BINARY_DIR}/phpvisitor.h
     DESTINATION ${KDEVPHP_PRIVATE_INCLUDE_DIR}/parser
     COMPONENT Devel
 )