diff --git a/README.org b/README.org
index a3086a7..4ab1fff 100644
--- a/README.org
+++ b/README.org
@@ -4,7 +4,7 @@
 
 * Library Information
   - Name :: AD57X4R
-  - Version :: 5.0.0
+  - Version :: 5.0.1
   - License :: BSD
   - URL :: https://github.com/janelia-arduino/AD57X4R
   - Author :: Peter Polidoro
diff --git a/library.properties b/library.properties
index 2e91cb7..f635efd 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=AD57X4R
-version=5.0.0
+version=5.0.1
 author=Peter Polidoro <peter@polidoro.io>
 maintainer=Peter Polidoro <peter@polidoro.io>
 sentence=Provides an SPI based interface to the AD5724R, AD5734R, and the AD5754R Quad 12-/14-/16-Bit Unipolar/Bipolar Voltage Output DACs.
diff --git a/src/AD57X4R/AD57X4R.cpp b/src/AD57X4R/AD57X4R.cpp
index 880fa4d..673641b 100644
--- a/src/AD57X4R/AD57X4R.cpp
+++ b/src/AD57X4R/AD57X4R.cpp
@@ -513,7 +513,7 @@ void AD57X4R::writeMosiDatagramToChip(int chip,
   spiBeginTransaction();
   for (int chip_n=(chip_count_ - 1); chip_n>=0; --chip_n)
   {
-    Datagram mosi_datagram_n = mosi_datagram_array[chip];
+    Datagram mosi_datagram_n = mosi_datagram_array[chip_n];
     for (int byte_n=(DATAGRAM_SIZE - 1); byte_n>=0; --byte_n)
     {
       uint8_t byte_write = (mosi_datagram_n.bytes >> (8*byte_n)) & 0xff;
@@ -533,12 +533,12 @@ AD57X4R::Datagram AD57X4R::readMisoDatagramFromChip(int chip)
   spiBeginTransaction();
   for (int chip_n=(chip_count_ - 1); chip_n>=0; --chip_n)
   {
-    miso_datagram_array[chip].bytes = 0;
+    miso_datagram_array[chip_n].bytes = 0;
     for (int byte_n=(DATAGRAM_SIZE - 1); byte_n>=0; --byte_n)
     {
-      uint8_t byte_write = (mosi_datagram_array[chip].bytes >> (8*byte_n)) & 0xff;
+      uint8_t byte_write = (mosi_datagram_array[chip_n].bytes >> (8*byte_n)) & 0xff;
       uint8_t byte_read = SPI.transfer(byte_write);
-      miso_datagram_array[chip].bytes |= ((uint32_t)byte_read) << (8*byte_n);
+      miso_datagram_array[chip_n].bytes |= ((uint32_t)byte_read) << (8*byte_n);
     }
   }
   spiEndTransaction();