diff --git a/src/components/general/CardAssignment.svelte b/src/components/general/CardAssignment.svelte
index 31d0e0f5..640ce3a2 100644
--- a/src/components/general/CardAssignment.svelte
+++ b/src/components/general/CardAssignment.svelte
@@ -389,6 +389,12 @@
 				:paused={!scannerActive}
 				on:detect={(e) => {
 					if (scannerActive) {
+						if (`${e.detail.decodedText}`.length === 13) {
+							e.detail.decodedText = e.detail.decodedText.substring(
+								0,
+								e.detail.decodedText.length - 1
+							);
+						}
 						scannerActive = false;
 						console.log({ type: "DETECT", code: e.detail.decodedText });
 						if (runnerinfo.id === 0) {