3 files changed, 6 insertions, 3 deletions
diff --git a/src/org/traccar/reports/Events.java b/src/org/traccar/reports/Events.java
index 33893aad0..d2255684f 100644
--- a/src/org/traccar/reports/Events.java
+++ b/src/org/traccar/reports/Events.java
@@ -28,6 +28,7 @@ import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 
+import org.apache.poi.ss.util.WorkbookUtil;
 import org.joda.time.DateTime;
 import org.jxls.area.Area;
 import org.jxls.builder.xls.XlsCommentAreaBuilder;
@@ -98,7 +99,7 @@ public final class Events {
             DeviceReport deviceEvents = new DeviceReport();
             Device device = Context.getIdentityManager().getDeviceById(deviceId);
             deviceEvents.setDeviceName(device.getName());
-            sheetNames.add(deviceEvents.getDeviceName());
+            sheetNames.add(WorkbookUtil.createSafeSheetName(deviceEvents.getDeviceName()));
             if (device.getGroupId() != 0) {
                 Group group = Context.getDeviceManager().getGroupById(device.getGroupId());
                 if (group != null) {
diff --git a/src/org/traccar/reports/Route.java b/src/org/traccar/reports/Route.java
index 468771a48..c1acaf322 100644
--- a/src/org/traccar/reports/Route.java
+++ b/src/org/traccar/reports/Route.java
@@ -26,6 +26,7 @@ import java.util.Collection;
 import java.util.Date;
 import java.util.List;
 
+import org.apache.poi.ss.util.WorkbookUtil;
 import org.joda.time.DateTime;
 import org.jxls.area.Area;
 import org.jxls.builder.xls.XlsCommentAreaBuilder;
@@ -67,7 +68,7 @@ public final class Route {
             DeviceReport deviceRoutes = new DeviceReport();
             Device device = Context.getIdentityManager().getDeviceById(deviceId);
             deviceRoutes.setDeviceName(device.getName());
-            sheetNames.add(deviceRoutes.getDeviceName());
+            sheetNames.add(WorkbookUtil.createSafeSheetName(deviceRoutes.getDeviceName()));
             if (device.getGroupId() != 0) {
                 Group group = Context.getDeviceManager().getGroupById(device.getGroupId());
                 if (group != null) {
diff --git a/src/org/traccar/reports/Trips.java b/src/org/traccar/reports/Trips.java
index a52d48f16..45b52b63c 100644
--- a/src/org/traccar/reports/Trips.java
+++ b/src/org/traccar/reports/Trips.java
@@ -26,6 +26,7 @@ import java.util.Collection;
 import java.util.Date;
 import java.util.List;
 
+import org.apache.poi.ss.util.WorkbookUtil;
 import org.joda.time.DateTime;
 import org.jxls.area.Area;
 import org.jxls.builder.xls.XlsCommentAreaBuilder;
@@ -201,7 +202,7 @@ public final class Trips {
             DeviceReport deviceTrips = new DeviceReport();
             Device device = Context.getIdentityManager().getDeviceById(deviceId);
             deviceTrips.setDeviceName(device.getName());
-            sheetNames.add(deviceTrips.getDeviceName());
+            sheetNames.add(WorkbookUtil.createSafeSheetName(deviceTrips.getDeviceName()));
             if (device.getGroupId() != 0) {
                 Group group = Context.getDeviceManager().getGroupById(device.getGroupId());
                 if (group != null) {