diff --git a/targets/TARGET_ONSEMI/TARGET_NCS36510/aes_map.h b/targets/TARGET_ONSEMI/TARGET_NCS36510/aes_map.h
index 30b227e76c..ec649307e7 100644
--- a/targets/TARGET_ONSEMI/TARGET_NCS36510/aes_map.h
+++ b/targets/TARGET_ONSEMI/TARGET_NCS36510/aes_map.h
@@ -65,24 +65,24 @@ typedef struct {
     __I uint32_t CBCo1; /**< Bits[63:32] of the 128-bit CBC result */
     __I uint32_t CBCo2; /**< Bits[95:64] of the 128-bit CBC result */
     __I uint32_t CBCo3; /**< Bits[127:96] of the 128-bit CBC result */
-union {
-		struct {
-			__IO uint32_t START:1; /**< start the encryption : 0 = no-effect , 1 = enable  */
-			__IO uint32_t ACC_CLR:1; /**< Clear the CBC accumulator : 0 = no-effect 1 = clears the CBC accumulator */
-			__IO uint32_t INT_CLEAR:1; /**<  interrupt clear : 0 = no-effect 1 = clear the interrupt  */
-		} BITS;
-		__IO uint32_t WORD;
-	} CTL;
-	union {
-		struct {
-			__IO uint32_t CBC_MODE:1; /**< counter mode : 0 = counter mode , 1 = CBC mode */
-			__IO uint32_t BYPASS:1; /**< encryption : 0 = Normal Mode , 1 = Bypasss any encryption */
-			__IO uint32_t INT_EN:1; /**< interrupt mask : 0 = disabled 1 = enabled  */
-			__IO uint32_t KEY_LENGTH:1; /**<  Key Length: 0 = 128 Bit Encryption 1 = 256 Bit Encryption  */
+    union {
+        struct {
+            __IO uint32_t START:1; /**< start the encryption : 0 = no-effect , 1 = enable  */
+            __IO uint32_t ACC_CLR:1; /**< Clear the CBC accumulator : 0 = no-effect 1 = clears the CBC accumulator */
+            __IO uint32_t INT_CLEAR:1; /**<  interrupt clear : 0 = no-effect 1 = clear the interrupt  */
+        } BITS;
+        __IO uint32_t WORD;
+    } CTL;
+    union {
+        struct {
+            __IO uint32_t CBC_MODE:1; /**< counter mode : 0 = counter mode , 1 = CBC mode */
+            __IO uint32_t BYPASS:1; /**< encryption : 0 = Normal Mode , 1 = Bypasss any encryption */
+            __IO uint32_t INT_EN:1; /**< interrupt mask : 0 = disabled 1 = enabled  */
+            __IO uint32_t KEY_LENGTH:1; /**<  Key Length: 0 = 128 Bit Encryption 1 = 256 Bit Encryption  */
 
-		} BITS;
-		__IO uint32_t WORD;
-	} MODE;
+        } BITS;
+        __IO uint32_t WORD;
+    } MODE;
     union {
         struct {
             __I uint32_t COMPLETE:1;/**< status : 0 = not complete  , 1 = complete  */
diff --git a/targets/TARGET_ONSEMI/TARGET_NCS36510/pwm_map.h b/targets/TARGET_ONSEMI/TARGET_NCS36510/pwm_map.h
index f06566d53e..b815a0d0d3 100644
--- a/targets/TARGET_ONSEMI/TARGET_NCS36510/pwm_map.h
+++ b/targets/TARGET_ONSEMI/TARGET_NCS36510/pwm_map.h
@@ -50,16 +50,14 @@ typedef struct {
     __O uint32_t PWM_DISABLE;
     __O uint32_t PRESCALE_ENABLE;
     __O uint32_t PRESCALE_DISABLE;
-	  union
-	{
-		struct
-		{
-			__I uint32_t CUR_DUTY_CYCLE_VALUE : 8; /** Curent value of duty Cycle */
-			__I uint32_t CUR_PRE_SCALER_STATE : 1; /** Current state of the prescaler.  ‘1’ the prescaler is enabled.  ‘0’ the prescaler is disabled. */
+    union {
+        struct {
+            __I uint32_t CUR_DUTY_CYCLE_VALUE : 8; /** Curent value of duty Cycle */
+            __I uint32_t CUR_PRE_SCALER_STATE : 1; /** Current state of the prescaler.  ‘1’ the prescaler is enabled.  ‘0’ the prescaler is disabled. */
             __I uint32_t CUR_PWM_ENABLE_STATE : 1; /** Current state of the PWM.  ‘1’ the PWM is enabled.  ‘0’ the PWM is disabled. */
             __I uint32_t CUR_PWM_OUTPUT_STATE : 1; /** Current state of PWM output */
-        }BITS;
-		__I uint32_t WORD;
-	}READ_CONFIG_STATUS;
+        } BITS;
+        __I uint32_t WORD;
+    } READ_CONFIG_STATUS;
 } PwmReg_t, *PwmReg_pt;
 #endif /* PWM_MAP_H_ */