diff --git a/CMakeLists.txt b/CMakeLists.txt
index e8eca48..ac26f17 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,7 +34,7 @@ target_link_libraries(igmpgen ${LIBNET_LIBRARY})
 install(TARGETS igmpgen DESTINATION bin)
 
 # Install the man page
-install(FILES misc/igmpgen.man.1 DESTINATION share/man/man1 RENAME igmpgen.1)
+install(FILES "${CMAKE_CURRENT_SOURCE_DIR}/misc/igmpgen.man.1" DESTINATION share/man/man1 RENAME igmpgen.1)
 
 # Include CPack for packaging
 include(InstallRequiredSystemLibraries)