diff --git a/src/main/java/OANDATickEvent.java b/src/main/java/OANDATickEvent.java
index 8345b7f..90b1ab2 100644
--- a/src/main/java/OANDATickEvent.java
+++ b/src/main/java/OANDATickEvent.java
@@ -75,6 +75,6 @@ public class OANDATickEvent extends TickEvent {
 	}
 
 	public String toString() {
-		return String.format("OANDATickEvent[%s,%s,%s]", getTime(), getInstrument(), getBid());
+		return String.format("OANDATickEvent[%s,%s,%s]", getTime(), getInstrument(), getMid());
 	}
 }
diff --git a/src/main/java/TrueFXTickEvent.java b/src/main/java/TrueFXTickEvent.java
index 661735b..96f222e 100644
--- a/src/main/java/TrueFXTickEvent.java
+++ b/src/main/java/TrueFXTickEvent.java
@@ -92,6 +92,6 @@ public class TrueFXTickEvent extends TickEvent {
 	 * Return a human readable representation of this event.
 	 */
 	public String toString() {
-		return String.format("TrueFXTickEvent[%s,%s,%s,%s]", time, instrument, bid, ask);
+		return String.format("TrueFXTickEvent[%s,%s,%s]", time, instrument, getMid());
 	}
 }