diff --git a/native/org.eclipse.cdt.native.serial/src/org/eclipse/cdt/serial/SerialPort.java b/native/org.eclipse.cdt.native.serial/src/org/eclipse/cdt/serial/SerialPort.java
index 62bea0f1ad7..abbeacb5f9b 100644
--- a/native/org.eclipse.cdt.native.serial/src/org/eclipse/cdt/serial/SerialPort.java
+++ b/native/org.eclipse.cdt.native.serial/src/org/eclipse/cdt/serial/SerialPort.java
@@ -79,6 +79,8 @@ public class SerialPort {
 								return -1;
 							}
 						} else if (rlen > 0) {
+							// Reset the pointer, as we have new data
+							rpos = 0;
 							break;
 						}
 					}