diff --git a/boards/sim/sim/sim/configs/rpproxy/defconfig b/boards/sim/sim/sim/configs/rpproxy/defconfig
index 6e4db7b916c..a774deee3e6 100644
--- a/boards/sim/sim/sim/configs/rpproxy/defconfig
+++ b/boards/sim/sim/sim/configs/rpproxy/defconfig
@@ -52,6 +52,7 @@ CONFIG_NSH_READLINE=y
 CONFIG_READLINE_CMD_HISTORY=y
 CONFIG_READLINE_TABCOMPLETION=y
 CONFIG_RPMSGMTD=y
+CONFIG_RPMSG_PING=y
 CONFIG_RPMSG_UART=y
 CONFIG_RPTUN=y
 CONFIG_RTC=y
diff --git a/boards/sim/sim/sim/configs/rpserver/defconfig b/boards/sim/sim/sim/configs/rpserver/defconfig
index fefbc1d6a91..bf476ec5b79 100644
--- a/boards/sim/sim/sim/configs/rpserver/defconfig
+++ b/boards/sim/sim/sim/configs/rpserver/defconfig
@@ -69,6 +69,7 @@ CONFIG_READLINE_TABCOMPLETION=y
 CONFIG_REGULATOR=y
 CONFIG_REGULATOR_RPMSG=y
 CONFIG_RPMSGMTD_SERVER=y
+CONFIG_RPMSG_PING=y
 CONFIG_RPMSG_UART=y
 CONFIG_RPTUN=y
 CONFIG_RTC=y