diff --git a/boards/arm/imx6/sabre-6quad/configs/citest/config.yaml b/boards/arm/imx6/sabre-6quad/configs/citest/config.yaml
index 18fa16be62f..841c9da6ec7 100644
--- a/boards/arm/imx6/sabre-6quad/configs/citest/config.yaml
+++ b/boards/arm/imx6/sabre-6quad/configs/citest/config.yaml
@@ -7,6 +7,7 @@ product:
     core0:
       name: 'main'
       device: 'qemu'
+      line_buffered: true
       exec_path: 'qemu-system-arm'
       exec_args: '-semihosting -M sabrelite -m 1024 -smp 4 -nographic'
       conf_path: './.config'
diff --git a/boards/arm64/qemu/qemu-armv8a/configs/citest/config.yaml b/boards/arm64/qemu/qemu-armv8a/configs/citest/config.yaml
index 59ea992f725..bf08e8c312e 100644
--- a/boards/arm64/qemu/qemu-armv8a/configs/citest/config.yaml
+++ b/boards/arm64/qemu/qemu-armv8a/configs/citest/config.yaml
@@ -7,6 +7,7 @@ product:
     core0:
       name: 'main'
       device: 'qemu'
+      line_buffered: true
       exec_path: 'qemu-system-aarch64'
       exec_args: '-cpu cortex-a53 -nographic
                  -machine virt,virtualization=on,gic-version=3
diff --git a/boards/arm64/qemu/qemu-armv8a/configs/citest_smp/config.yaml b/boards/arm64/qemu/qemu-armv8a/configs/citest_smp/config.yaml
index ff79b3917b6..58a31819900 100644
--- a/boards/arm64/qemu/qemu-armv8a/configs/citest_smp/config.yaml
+++ b/boards/arm64/qemu/qemu-armv8a/configs/citest_smp/config.yaml
@@ -7,6 +7,7 @@ product:
     core0:
       name: 'main'
       device: 'qemu'
+      line_buffered: true
       exec_path: 'qemu-system-aarch64'
       exec_args: '-cpu cortex-a53 -nographic -smp 4
                  -machine virt,virtualization=on,gic-version=3
diff --git a/boards/risc-v/qemu-rv/rv-virt/configs/citest/config.yaml b/boards/risc-v/qemu-rv/rv-virt/configs/citest/config.yaml
index a934a55c82d..d1a8b52fdc2 100644
--- a/boards/risc-v/qemu-rv/rv-virt/configs/citest/config.yaml
+++ b/boards/risc-v/qemu-rv/rv-virt/configs/citest/config.yaml
@@ -7,6 +7,7 @@ product:
     core0:
       name: 'main'
       device: 'qemu'
+      line_buffered: true
       exec_path: 'qemu-system-riscv32'
       exec_args: '-semihosting -M virt,aclint=on -smp 1 -bios none -nographic
                   -drive index=0,id=userdata,if=none,format=raw,file=./fatfs.img
diff --git a/boards/risc-v/qemu-rv/rv-virt/configs/citest64/config.yaml b/boards/risc-v/qemu-rv/rv-virt/configs/citest64/config.yaml
index 957b4fa7e1c..56de1184283 100644
--- a/boards/risc-v/qemu-rv/rv-virt/configs/citest64/config.yaml
+++ b/boards/risc-v/qemu-rv/rv-virt/configs/citest64/config.yaml
@@ -7,6 +7,7 @@ product:
     core0:
       name: 'main'
       device: 'qemu'
+      line_buffered: true
       exec_path: 'qemu-system-riscv64'
       exec_args: '-semihosting -M virt,aclint=on -smp 1 -bios none -nographic'
       conf_path: './.config'