diff --git a/programs/x509/CMakeLists.txt b/programs/x509/CMakeLists.txt
index 68dec99..02d783c 100644
--- a/programs/x509/CMakeLists.txt
+++ b/programs/x509/CMakeLists.txt
@@ -10,21 +10,21 @@
     set(libs ${libs} ${ZLIB_LIBRARIES})
 endif(ENABLE_ZLIB_SUPPORT)
 
-add_executable(cert_app cert_app.c)
-target_link_libraries(cert_app ${libs} mbedtls)
+set(executables
+    cert_app
+    cert_req
+    cert_write
+    crl_app
+    req_app
+)
 
-add_executable(crl_app crl_app.c)
-target_link_libraries(crl_app ${libs})
+foreach(exe IN LISTS executables)
+    add_executable(${exe} ${exe}.c)
+    target_link_libraries(${exe} ${libs})
+endforeach()
 
-add_executable(req_app req_app.c)
-target_link_libraries(req_app ${libs})
+target_link_libraries(cert_app mbedtls)
 
-add_executable(cert_req cert_req.c)
-target_link_libraries(cert_req ${libs})
-
-add_executable(cert_write cert_write.c)
-target_link_libraries(cert_write ${libs})
-
-install(TARGETS cert_app crl_app req_app cert_req cert_write
+install(TARGETS ${executables}
         DESTINATION "bin"
         PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)