diff --git a/components/802.15.4_RF/stm-s2lp-rf-driver/mbed_lib.json b/components/802.15.4_RF/stm-s2lp-rf-driver/mbed_lib.json
index ada37130b07..80c1ad14b8e 100644
--- a/components/802.15.4_RF/stm-s2lp-rf-driver/mbed_lib.json
+++ b/components/802.15.4_RF/stm-s2lp-rf-driver/mbed_lib.json
@@ -5,10 +5,13 @@
             "help": "Provide default NanostackRfpy. [true/false]",
             "value": false
         },
-    "target_overrides": {
-        "MTB_STM_S2LP": {
-           "s2lp.provide-default": true
-         }
+        "target_overrides": {
+            "MTB_STM_S2LP": {
+               "s2lp.provide-default": true
+            },
+            "MTB_STM_S2LP_CT": {
+               "s2lp.provide-default": true
+            }
         }
     }
 }
diff --git a/components/802.15.4_RF/stm-s2lp-rf-driver/stm-s2lp-rf-driver/NanostackRfPhys2lp.h b/components/802.15.4_RF/stm-s2lp-rf-driver/stm-s2lp-rf-driver/NanostackRfPhys2lp.h
index 68cc37e417f..d15dcd84bf5 100644
--- a/components/802.15.4_RF/stm-s2lp-rf-driver/stm-s2lp-rf-driver/NanostackRfPhys2lp.h
+++ b/components/802.15.4_RF/stm-s2lp-rf-driver/stm-s2lp-rf-driver/NanostackRfPhys2lp.h
@@ -28,7 +28,7 @@
 // Uncomment to use testing gpios attached to TX/RX processes
 // #define TEST_GPIOS_ENABLED
 
-#if defined(TARGET_MTB_STM_S2LP)
+#if defined(TARGET_MTB_STM_S2LP) || defined(TARGET_MTB_STM_S2LP_CT)
 #if !defined(S2LP_SPI_SDI)
 #define S2LP_SPI_SDI        PA_7
 #endif