diff --git a/libraries/Wire/Wire.cpp b/libraries/Wire/Wire.cpp
index 792364268..c7561ea83 100644
--- a/libraries/Wire/Wire.cpp
+++ b/libraries/Wire/Wire.cpp
@@ -30,8 +30,8 @@ extern "C" {
 
 #include "Wire.h"
 
-TwoWire *TwoWire::g_SCIWires[TWOWIRE_MAX_I2C_CHANNELS] = {nullptr};
-TwoWire *TwoWire::g_I2CWires[TWOWIRE_MAX_SCI_CHANNELS] = {nullptr};
+TwoWire *TwoWire::g_SCIWires[TWOWIRE_MAX_SCI_CHANNELS] = {nullptr};
+TwoWire *TwoWire::g_I2CWires[TWOWIRE_MAX_I2C_CHANNELS] = {nullptr};
 
 /* -------------------------------------------------------------------------- */
 void TwoWire::setBusStatus(WireStatus_t ws) {
diff --git a/libraries/Wire/Wire.h b/libraries/Wire/Wire.h
index 5a78660b1..88ff8d652 100644
--- a/libraries/Wire/Wire.h
+++ b/libraries/Wire/Wire.h
@@ -152,8 +152,8 @@ class TwoWire : public arduino::HardwareI2C {
 
   private:
     
-    static TwoWire *g_SCIWires[TWOWIRE_MAX_I2C_CHANNELS];
-    static TwoWire *g_I2CWires[TWOWIRE_MAX_SCI_CHANNELS];
+    static TwoWire *g_SCIWires[TWOWIRE_MAX_SCI_CHANNELS];
+    static TwoWire *g_I2CWires[TWOWIRE_MAX_I2C_CHANNELS];
     
     static void WireSCIMasterCallback(i2c_master_callback_args_t *);
     static void WireMasterCallback(i2c_master_callback_args_t *);