diff --git a/boards/arm/particle_boron/particle_boron.dts b/boards/arm/particle_boron/particle_boron.dts
index ceb94b33da7..3c0bd0ae1b5 100644
--- a/boards/arm/particle_boron/particle_boron.dts
+++ b/boards/arm/particle_boron/particle_boron.dts
@@ -43,7 +43,7 @@
 	hw-flow-control;
 
 	sara_r4 {
-		compatible = "ublox,sara-r4";
+		compatible = "u-blox,sara-r4";
 		label = "ublox-sara-r4";
 		status = "okay";
 
diff --git a/boards/shields/sparkfun_sara_r4/sparkfun_sara_r4.overlay b/boards/shields/sparkfun_sara_r4/sparkfun_sara_r4.overlay
index fa70bce754d..436dc7acf83 100644
--- a/boards/shields/sparkfun_sara_r4/sparkfun_sara_r4.overlay
+++ b/boards/shields/sparkfun_sara_r4/sparkfun_sara_r4.overlay
@@ -9,7 +9,7 @@
 	status = "okay";
 
 	sara_r4 {
-		compatible = "ublox,sara-r4";
+		compatible = "u-blox,sara-r4";
 		label = "ublox-sara-r4";
 		mdm-power-gpios = <&arduino_header 11 0>; /* D5 */
 		mdm-reset-gpios = <&arduino_header 12 0>; /* D6 */
diff --git a/drivers/modem/ublox-sara-r4.c b/drivers/modem/ublox-sara-r4.c
index a702f27469c..d5aed56a49d 100644
--- a/drivers/modem/ublox-sara-r4.c
+++ b/drivers/modem/ublox-sara-r4.c
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#define DT_DRV_COMPAT ublox_sara_r4
+#define DT_DRV_COMPAT u_blox_sara_r4
 
 #include <logging/log.h>
 LOG_MODULE_REGISTER(modem_ublox_sara_r4, CONFIG_MODEM_LOG_LEVEL);
diff --git a/dts/bindings/modem/ublox,sara-r4.yaml b/dts/bindings/modem/u-blox,sara-r4.yaml
similarity index 93%
rename from dts/bindings/modem/ublox,sara-r4.yaml
rename to dts/bindings/modem/u-blox,sara-r4.yaml
index 989443073a7..87e9a1e74e4 100644
--- a/dts/bindings/modem/ublox,sara-r4.yaml
+++ b/dts/bindings/modem/u-blox,sara-r4.yaml
@@ -3,7 +3,7 @@
 
 description: u-blox SARA-R4 modem
 
-compatible: "ublox,sara-r4"
+compatible: "u-blox,sara-r4"
 
 include: uart-device.yaml
 
diff --git a/tests/drivers/build_all/modem/uart.dtsi b/tests/drivers/build_all/modem/uart.dtsi
index a493ac527c8..47cc4de2c6a 100644
--- a/tests/drivers/build_all/modem/uart.dtsi
+++ b/tests/drivers/build_all/modem/uart.dtsi
@@ -31,17 +31,17 @@ test_wnc_m14a2a: wncm14a2a {
 };
 
 test_sara_r4: sara_r4 {
-      compatible = "ublox,sara-r4";
-      label = "ublox-sara-r4";
+	compatible = "u-blox,sara-r4";
+	label = "ublox-sara-r4";
 
-      mdm-power-gpios = <&test_gpio 0 0>;
-      mdm-reset-gpios = <&test_gpio 0 0>;
+	mdm-power-gpios = <&test_gpio 0 0>;
+	mdm-reset-gpios = <&test_gpio 0 0>;
 };
 
 test_quectel_bg9x: quectel_bg9x {
-      compatible = "quectel,bg9x";
-      label = "quectel,bg9x";
+	compatible = "quectel,bg9x";
+	label = "quectel,bg9x";
 
-      mdm-power-gpios = <&test_gpio 0 0>;
-      mdm-reset-gpios = <&test_gpio 0 0>;
+	mdm-power-gpios = <&test_gpio 0 0>;
+	mdm-reset-gpios = <&test_gpio 0 0>;
 };