diff --git a/mpy-cross/mpconfigport.h b/mpy-cross/mpconfigport.h
index 383de14399..e227d1be54 100644
--- a/mpy-cross/mpconfigport.h
+++ b/mpy-cross/mpconfigport.h
@@ -44,6 +44,7 @@
 #define MICROPY_COMP_CONST          (1)
 #define MICROPY_COMP_DOUBLE_TUPLE_ASSIGN (1)
 #define MICROPY_COMP_TRIPLE_TUPLE_ASSIGN (1)
+#define MICROPY_COMP_RETURN_IF_EXPR (1)
 
 #define MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE (0)
 
diff --git a/stmhal/mpconfigport.h b/stmhal/mpconfigport.h
index 2186e2ed64..444ce93032 100644
--- a/stmhal/mpconfigport.h
+++ b/stmhal/mpconfigport.h
@@ -45,6 +45,7 @@
 // compiler configuration
 #define MICROPY_COMP_MODULE_CONST   (1)
 #define MICROPY_COMP_TRIPLE_TUPLE_ASSIGN (1)
+#define MICROPY_COMP_RETURN_IF_EXPR (1)
 
 // optimisations
 #define MICROPY_OPT_COMPUTED_GOTO   (1)
diff --git a/unix/mpconfigport.h b/unix/mpconfigport.h
index 4067e19500..d197f4503d 100644
--- a/unix/mpconfigport.h
+++ b/unix/mpconfigport.h
@@ -45,6 +45,7 @@
 #endif
 #define MICROPY_COMP_MODULE_CONST   (1)
 #define MICROPY_COMP_TRIPLE_TUPLE_ASSIGN (1)
+#define MICROPY_COMP_RETURN_IF_EXPR (1)
 #define MICROPY_ENABLE_GC           (1)
 #define MICROPY_ENABLE_FINALISER    (1)
 #define MICROPY_STACK_CHECK         (1)
diff --git a/windows/mpconfigport.h b/windows/mpconfigport.h
index cad76e7810..8cef506713 100644
--- a/windows/mpconfigport.h
+++ b/windows/mpconfigport.h
@@ -38,6 +38,7 @@
 #define MICROPY_EMIT_INLINE_THUMB   (0)
 #define MICROPY_COMP_MODULE_CONST   (1)
 #define MICROPY_COMP_TRIPLE_TUPLE_ASSIGN (1)
+#define MICROPY_COMP_RETURN_IF_EXPR (1)
 #define MICROPY_ENABLE_GC           (1)
 #define MICROPY_ENABLE_FINALISER    (1)
 #define MICROPY_STACK_CHECK         (1)