diff --git a/src/jtag2rw.cc b/src/jtag2rw.cc
index 2d1a96c..e4d54e0 100644
--- a/src/jtag2rw.cc
+++ b/src/jtag2rw.cc
@@ -193,6 +193,7 @@ uchar *jtag2::jtagRead(unsigned long addr, unsigned int numBytes)
 
 	    numBytes -= chunksize;
 	    targetOffset += chunksize;
+	    offset = 0;
 
 	    chunksize = numBytes > pageSize? pageSize: numBytes;
 	    pageAddr += pageSize;
diff --git a/src/jtag3rw.cc b/src/jtag3rw.cc
index ada7430..112896f 100644
--- a/src/jtag3rw.cc
+++ b/src/jtag3rw.cc
@@ -192,6 +192,7 @@ uchar *jtag3::jtagRead(unsigned long addr, unsigned int numBytes)
 
 	    numBytes -= chunksize;
 	    targetOffset += chunksize;
+	    offset = 0;
 
 	    chunksize = numBytes > pageSize? pageSize: numBytes;
 	    pageAddr += pageSize;