diff --git a/src/posix/cli.cmake b/src/posix/cli.cmake
index 3bf007733..5002da5f5 100644
--- a/src/posix/cli.cmake
+++ b/src/posix/cli.cmake
@@ -59,6 +59,7 @@ target_link_libraries(ot-cli
     openthread-spinel-rcp
     ${OT_MBEDTLS}
     ${READLINE_LINK_LIBRARIES}
+    ot-config
 )
 
 
diff --git a/src/posix/daemon.cmake b/src/posix/daemon.cmake
index f7e7326ec..37b445d03 100644
--- a/src/posix/daemon.cmake
+++ b/src/posix/daemon.cmake
@@ -55,6 +55,7 @@ target_link_libraries(ot-daemon PRIVATE
     openthread-hdlc
     openthread-spinel-rcp
     ${OT_MBEDTLS}
+    ot-config
 )
 
 add_executable(ot-ctl