diff --git a/VERSION.md b/VERSION.md
index dc36cac..245ba29 100644
--- a/VERSION.md
+++ b/VERSION.md
@@ -2,6 +2,7 @@
 
 ## Unreleased
 
+* More helpful error dialogs for internal errors in Rhubarb Lip Sync for Spine 
 * Internal errors in Rhubarb Lip Sync for Spine are logged to stderr
 
 ## Version 1.7.0
diff --git a/extras/EsotericSoftwareSpine/src/main/kotlin/com/rhubarb_lip_sync/rhubarb_for_spine/AudioFileModel.kt b/extras/EsotericSoftwareSpine/src/main/kotlin/com/rhubarb_lip_sync/rhubarb_for_spine/AudioFileModel.kt
index 0a30f6a..fa293ba 100644
--- a/extras/EsotericSoftwareSpine/src/main/kotlin/com/rhubarb_lip_sync/rhubarb_for_spine/AudioFileModel.kt
+++ b/extras/EsotericSoftwareSpine/src/main/kotlin/com/rhubarb_lip_sync/rhubarb_for_spine/AudioFileModel.kt
@@ -167,7 +167,11 @@ class AudioFileModel(
 				Platform.runLater {
 					Alert(Alert.AlertType.ERROR).apply {
 						headerText = "Error performing lip sync for event '$eventName'."
-						contentText = e.message
+						contentText = if (e.message.isNullOrEmpty())
+							// Some exceptions don't have a message
+							"An internal error of type ${e.javaClass.name} occurred."
+						else
+							e.message
 						show()
 					}
 				}