diff --git a/bricks/_common_stm32/mpconfigport.h b/bricks/_common_stm32/mpconfigport.h
index bd4a3a5e1..8a846fffb 100644
--- a/bricks/_common_stm32/mpconfigport.h
+++ b/bricks/_common_stm32/mpconfigport.h
@@ -52,7 +52,7 @@ static inline mp_uint_t disable_irq(void) {
     } while (0);
 
 #define MICROPY_GC_HOOK_LOOP(i) do { \
-        if ((i & 0xf) == 0) { \
+        if (((i) & 0xf) == 0) { \
             MICROPY_VM_HOOK_LOOP \
         } \
 } while (0)
diff --git a/bricks/ev3/mpconfigport.h b/bricks/ev3/mpconfigport.h
index d30ef8171..8b7d74235 100644
--- a/bricks/ev3/mpconfigport.h
+++ b/bricks/ev3/mpconfigport.h
@@ -100,7 +100,7 @@ static inline mp_uint_t disable_irq(void) {
     } while (0);
 
 #define MICROPY_GC_HOOK_LOOP(i) do { \
-        if ((i & 0xf) == 0) { \
+        if (((i) & 0xf) == 0) { \
             MICROPY_VM_HOOK_LOOP \
         } \
 } while (0)
diff --git a/bricks/ev3rt/mpconfigport.h b/bricks/ev3rt/mpconfigport.h
index 0f5155503..016414fb7 100644
--- a/bricks/ev3rt/mpconfigport.h
+++ b/bricks/ev3rt/mpconfigport.h
@@ -104,7 +104,7 @@ static inline mp_uint_t disable_irq(void) {
     } while (0);
 
 #define MICROPY_GC_HOOK_LOOP(i) do { \
-        if ((i & 0xf) == 0) { \
+        if (((i) & 0xf) == 0) { \
             MICROPY_VM_HOOK_LOOP \
         } \
 } while (0)
diff --git a/bricks/virtualhub/mpconfigvariant.h b/bricks/virtualhub/mpconfigvariant.h
index 305ab256d..e3f116998 100644
--- a/bricks/virtualhub/mpconfigvariant.h
+++ b/bricks/virtualhub/mpconfigvariant.h
@@ -101,7 +101,7 @@
 } while (0);
 
 #define MICROPY_GC_HOOK_LOOP(i) do { \
-        if ((i & 0xf) == 0) { \
+        if (((i) & 0xf) == 0) { \
             MICROPY_VM_HOOK_LOOP \
         } \
 } while (0)