diff --git a/ports/atmel-samd/mpconfigport.h b/ports/atmel-samd/mpconfigport.h
index a5884b6ad9..de8703943d 100644
--- a/ports/atmel-samd/mpconfigport.h
+++ b/ports/atmel-samd/mpconfigport.h
@@ -64,6 +64,7 @@
 #define MICROPY_PY_SYS              (1)
 #define MICROPY_PY_SYS_MAXSIZE      (1)
 #define MICROPY_FLOAT_IMPL          (MICROPY_FLOAT_IMPL_FLOAT)
+#define MICROPY_FLOAT_HIGH_QUALITY_HASH (1)
 #define MICROPY_STREAMS_NON_BLOCK   (1)
 
 // fatfs configuration used in ffconf.h
diff --git a/ports/esp8266/mpconfigport.h b/ports/esp8266/mpconfigport.h
index 8caecf7594..616e9875c1 100644
--- a/ports/esp8266/mpconfigport.h
+++ b/ports/esp8266/mpconfigport.h
@@ -91,6 +91,7 @@
 #define MICROPY_CPYTHON_COMPAT      (0)
 #define MICROPY_LONGINT_IMPL        (MICROPY_LONGINT_IMPL_MPZ)
 #define MICROPY_FLOAT_IMPL          (MICROPY_FLOAT_IMPL_FLOAT)
+#define MICROPY_FLOAT_HIGH_QUALITY_HASH (1)
 #define MICROPY_ERROR_REPORTING     (MICROPY_ERROR_REPORTING_NORMAL)
 #define MICROPY_WARNINGS            (1)
 #define MICROPY_PY_STR_BYTES_CMP_WARN (1)
diff --git a/ports/nrf/mpconfigport.h b/ports/nrf/mpconfigport.h
index e806c201f1..45c82439b3 100644
--- a/ports/nrf/mpconfigport.h
+++ b/ports/nrf/mpconfigport.h
@@ -47,6 +47,7 @@
 //CP UPDATE: See mpconfigport.h for LONGINT implementation
 #define MICROPY_LONGINT_IMPL                     (MICROPY_LONGINT_IMPL_MPZ)
 #define MICROPY_FLOAT_IMPL                       (MICROPY_FLOAT_IMPL_FLOAT)
+#define MICROPY_FLOAT_HIGH_QUALITY_HASH          (1)
 
 #define MICROPY_OPT_COMPUTED_GOTO                (0)
 #define MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE (0)