diff --git a/src/emu/CMakeLists.txt b/src/emu/CMakeLists.txt
index 4219ae3..ec7aff7 100644
--- a/src/emu/CMakeLists.txt
+++ b/src/emu/CMakeLists.txt
@@ -63,14 +63,14 @@ target_link_libraries(ovnidump emu parson-static ovni-static)
 add_executable(ovnisort ovnisort.c)
 target_link_libraries(ovnisort emu parson-static ovni-static)
 
-## Use <PackageName>_ROOT variables if available, commonly used by MPI
-## installations
-#if(POLICY CMP0074)
-#  cmake_policy(SET CMP0074 NEW)
-#endif()
-#
-#find_package(MPI REQUIRED)
-#add_executable(ovnisync ovnisync.c)
-#target_link_libraries(ovnisync m MPI::MPI_C)
-#
-#install(TARGETS ovniemu ovnidump ovnisync ovnisort RUNTIME DESTINATION bin)
+# Use <PackageName>_ROOT variables if available, commonly used by MPI
+# installations
+if(POLICY CMP0074)
+  cmake_policy(SET CMP0074 NEW)
+endif()
+
+find_package(MPI REQUIRED)
+add_executable(ovnisync ovnisync.c)
+target_link_libraries(ovnisync m MPI::MPI_C)
+
+install(TARGETS ovniemu ovnidump ovnisync ovnisort RUNTIME DESTINATION bin)