diff --git a/shared-bindings/_canio/CAN.c b/shared-bindings/_canio/CAN.c
index 8f3e45420d..53045c35ad 100644
--- a/shared-bindings/_canio/CAN.c
+++ b/shared-bindings/_canio/CAN.c
@@ -298,7 +298,7 @@ STATIC mp_obj_t canio_can_listen(size_t n_args, const mp_obj_t *pos_args, mp_map
     canio_match_obj_t *matches[nmatch];
     for (size_t i=0; i<nmatch; i++) {
         mp_obj_type_t *type = mp_obj_get_type(match_objects[i]);
-        if(type != &canio_match_type) {
+        if (type != &canio_match_type) {
             mp_raise_TypeError_varg(translate("expected '%q' but got '%q'"), MP_QSTR_Match, type->name);
         }
         matches[i] = MP_OBJ_TO_PTR(match_objects[i]);
diff --git a/shared-bindings/_canio/Listener.c b/shared-bindings/_canio/Listener.c
index d68138d997..a3890f8dd3 100644
--- a/shared-bindings/_canio/Listener.c
+++ b/shared-bindings/_canio/Listener.c
@@ -112,7 +112,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(canio_listener_iter_obj, canio_listener_iter);
 STATIC mp_obj_t canio_listener_next(mp_obj_t self_in) {
     canio_listener_obj_t *self = MP_OBJ_TO_PTR(self_in);
     common_hal_canio_listener_check_for_deinit(self);
-    if(common_hal_canio_listener_in_waiting(self)) {
+    if (common_hal_canio_listener_in_waiting(self)) {
         return canio_listener_read(self_in);
     }
     return self;
diff --git a/shared-bindings/_canio/Match.c b/shared-bindings/_canio/Match.c
index 6c32aa5390..b71529b736 100644
--- a/shared-bindings/_canio/Match.c
+++ b/shared-bindings/_canio/Match.c
@@ -59,11 +59,11 @@ STATIC mp_obj_t canio_match_make_new(const mp_obj_type_t *type, size_t n_args, c
     int address = args[ARG_address].u_int;
     int mask = args[ARG_mask].u_int;
 
-    if(address & ~address_bits) {
+    if (address & ~address_bits) {
         mp_raise_ValueError_varg(translate("%q out of range"), MP_QSTR_address);
     }
 
-    if(mask & ~address_bits) {
+    if (mask & ~address_bits) {
         mp_raise_ValueError_varg(translate("%q out of range"), MP_QSTR_mask);
     }
 
diff --git a/shared-bindings/_canio/Message.c b/shared-bindings/_canio/Message.c
index 3fa018a834..bfaaf52b2f 100644
--- a/shared-bindings/_canio/Message.c
+++ b/shared-bindings/_canio/Message.c
@@ -67,7 +67,7 @@ STATIC mp_obj_t canio_message_make_new(const mp_obj_type_t *type, size_t n_args,
     bool specified_size = (size != (size_t)-1);
     bool specified_data = (args[ARG_data].u_obj != NULL);
 
-    if(specified_size && specified_data) {
+    if (specified_size && specified_data) {
         mp_raise_TypeError(translate("specify size or data, but not both"));
     }
 
@@ -82,7 +82,7 @@ STATIC mp_obj_t canio_message_make_new(const mp_obj_type_t *type, size_t n_args,
         data.len = 0;
     }
 
-    if(data.len > 8) {
+    if (data.len > 8) {
         mp_raise_ValueError(translate("Messages limited to 8 bytes"));
     }
 
@@ -130,7 +130,7 @@ STATIC mp_obj_t canio_message_data_set(const mp_obj_t self_in, const mp_obj_t da
     canio_message_obj_t *self = self_in;
     mp_buffer_info_t data;
     mp_get_buffer_raise(data_in, &data, MP_BUFFER_READ);
-    if(data.len > 8) {
+    if (data.len > 8) {
         mp_raise_ValueError(translate("Messages limited to 8 bytes"));
     }
     common_hal_canio_message_data_set(self, data.buf, data.len);
@@ -161,7 +161,7 @@ MP_DEFINE_CONST_FUN_OBJ_1(canio_message_size_get_obj, canio_message_size_get);
 STATIC mp_obj_t canio_message_size_set(const mp_obj_t self_in, const mp_obj_t size_in) {
     canio_message_obj_t *self = self_in;
     int size = mp_obj_get_int(size_in);
-    if(size > 8) {
+    if (size > 8) {
         mp_raise_ValueError(translate("Messages limited to 8 bytes"));
     }
     common_hal_canio_message_size_set(self, size);