CMakeLists.txt             | 2 +-
 src/CMakeLists.txt         | 4 ++--
 zmap_conf_install.cmake.in | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bea62ab..0378f44 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -67,4 +67,4 @@ add_subdirectory(src)
 FILE(GLOB CONF_FILES RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}/conf" "conf/*")
 message(STATUS "${CONF_FILES}")
 configure_file(zmap_conf_install.cmake.in zmap_conf_install.cmake)
-install(SCRIPT zmap_conf_install.cmake)
+install(SCRIPT "${CMAKE_CURRENT_BINARY_DIR}/zmap_conf_install.cmake")
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6e51f12..2c1ae5a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -75,11 +75,11 @@ add_custom_command(OUTPUT zopt.h
 	)
 
 add_custom_command(OUTPUT lexer.c
-	COMMAND flex -o "${CMAKE_CURRENT_BINARY_DIR}/lexer.c" --header-file="${CMAKE_CURRENT_BINARY_DIR}/lexer.h" lexer.l
+	COMMAND flex -o "${CMAKE_CURRENT_BINARY_DIR}/lexer.c" --header-file="${CMAKE_CURRENT_BINARY_DIR}/lexer.h" "${CMAKE_CURRENT_SOURCE_DIR}/lexer.l"
 	)
 
 add_custom_command(OUTPUT parser.c
-	COMMAND byacc -d -o parser.c parser.y
+	COMMAND byacc -d -o "${CMAKE_CURRENT_BINARY_DIR}/parser.c" "${CMAKE_CURRENT_SOURCE_DIR}/parser.y"
 	)
 
 add_executable(zmap ${SOURCES})
diff --git a/zmap_conf_install.cmake.in b/zmap_conf_install.cmake.in
index 358a97d..aba7a60 100644
--- a/zmap_conf_install.cmake.in
+++ b/zmap_conf_install.cmake.in
@@ -1,6 +1,6 @@
 foreach(conf_file ${CONF_FILES})
 	message(STATUS "${conf_file}")
 	if(NOT EXISTS "/etc/zmap/${conf_file}")
-		file(INSTALL "conf/${conf_file}" DESTINATION "/etc/zmap")
+		file(INSTALL "${CMAKE_CURRENT_SOURCE_DIR}/conf/${conf_file}" DESTINATION "/etc/zmap")
 	endif()
 endforeach()