diff --git a/Libraries/PeriphDrivers/Source/SYS/sys_me12.c b/Libraries/PeriphDrivers/Source/SYS/sys_me12.c
index 9d00880de3..d7db012f1e 100644
--- a/Libraries/PeriphDrivers/Source/SYS/sys_me12.c
+++ b/Libraries/PeriphDrivers/Source/SYS/sys_me12.c
@@ -103,7 +103,7 @@ int MXC_SYS_GetUSN(uint8_t *usn, uint8_t *checksum)
         // Set NULL Key
         MXC_AES_SetExtKey((const void *)aes_key, MXC_AES_128BITS);
 
-        uint8_t usn_copy[MXC_SYS_USN_LEN] = {0}; 
+        uint8_t usn_copy[MXC_SYS_USN_LEN] = { 0 };
         memcpy(usn_copy, usn, MXC_SYS_USN_LEN);
         // Compute Checksum
         mxc_aes_req_t aes_req;
diff --git a/Libraries/PeriphDrivers/Source/SYS/sys_me15.c b/Libraries/PeriphDrivers/Source/SYS/sys_me15.c
index 239115795b..dd4ad6874d 100644
--- a/Libraries/PeriphDrivers/Source/SYS/sys_me15.c
+++ b/Libraries/PeriphDrivers/Source/SYS/sys_me15.c
@@ -110,9 +110,9 @@ int MXC_SYS_GetUSN(uint8_t *usn, uint8_t *checksum)
         // Set NULL Key
         MXC_AES_SetExtKey((const void *)aes_key, MXC_AES_128BITS);
 
-        uint8_t usn_copy[MXC_SYS_USN_LEN] = {0}; 
+        uint8_t usn_copy[MXC_SYS_USN_LEN] = { 0 };
         memcpy(usn_copy, usn, MXC_SYS_USN_LEN);
-        
+
         // Compute Checksum
         mxc_aes_req_t aes_req;
         aes_req.length = MXC_SYS_USN_CHECKSUM_LEN / 4;
diff --git a/Libraries/PeriphDrivers/Source/SYS/sys_me17.c b/Libraries/PeriphDrivers/Source/SYS/sys_me17.c
index e5cb75b0e0..cb9ad4328b 100644
--- a/Libraries/PeriphDrivers/Source/SYS/sys_me17.c
+++ b/Libraries/PeriphDrivers/Source/SYS/sys_me17.c
@@ -105,9 +105,9 @@ int MXC_SYS_GetUSN(uint8_t *usn, uint8_t *checksum)
         // Set NULL Key
         MXC_AES_SetExtKey((const void *)aes_key, MXC_AES_128BITS);
 
-        uint8_t usn_copy[MXC_SYS_USN_LEN] = {0}; 
+        uint8_t usn_copy[MXC_SYS_USN_LEN] = { 0 };
         memcpy(usn_copy, usn, MXC_SYS_USN_LEN);
-        
+
         // Compute Checksum
         mxc_aes_req_t aes_req;
         aes_req.length = MXC_SYS_USN_CHECKSUM_LEN / 4;
diff --git a/Libraries/PeriphDrivers/Source/SYS/sys_me21.c b/Libraries/PeriphDrivers/Source/SYS/sys_me21.c
index 8525ea4bdb..f84de5857a 100644
--- a/Libraries/PeriphDrivers/Source/SYS/sys_me21.c
+++ b/Libraries/PeriphDrivers/Source/SYS/sys_me21.c
@@ -102,7 +102,7 @@ int MXC_SYS_GetUSN(uint8_t *usn, uint8_t *checksum)
         // Set NULL Key
         MXC_AES_SetExtKey((const void *)aes_key, MXC_AES_128BITS);
 
-        uint8_t usn_copy[MXC_SYS_USN_LEN] = {0}; 
+        uint8_t usn_copy[MXC_SYS_USN_LEN] = { 0 };
         memcpy(usn_copy, usn, MXC_SYS_USN_LEN);
 
         // Compute Checksum