diff --git a/src/SparkFun_External_EEPROM.cpp b/src/SparkFun_External_EEPROM.cpp
index 9e77938..201b9db 100644
--- a/src/SparkFun_External_EEPROM.cpp
+++ b/src/SparkFun_External_EEPROM.cpp
@@ -816,8 +816,8 @@ int ExternalEEPROM::write(uint32_t eepromLocation, const uint8_t *dataToWrite, u
     // Serial.print("bufferSize: ");
     // Serial.println(bufferSize);
 
-    int16_t maxWriteSize = settings.pageSize_bytes;
-    if (maxWriteSize > I2C_BUFFER_LENGTH_TX - settings.addressSize_bytes)
+    uint16_t maxWriteSize = settings.pageSize_bytes;
+    if (maxWriteSize > (uint16_t)I2C_BUFFER_LENGTH_TX - settings.addressSize_bytes)
         maxWriteSize =
             I2C_BUFFER_LENGTH_TX -
             settings.addressSize_bytes; // Arduino has 32 byte limit. We loose 1 or 2 bytes to the EEPROM address
@@ -830,7 +830,7 @@ int ExternalEEPROM::write(uint32_t eepromLocation, const uint8_t *dataToWrite, u
     while (recorded < bufferSize)
     {
         // Limit the amount to write to either the page size or the Arduino limit of 30
-        int amtToWrite = bufferSize - recorded;
+        uint16_t amtToWrite = bufferSize - recorded;
 
         // Serial.print("amtToWrite: ");
         // Serial.println(amtToWrite);