diff --git a/.changeset/perfect-rockets-agree.md b/.changeset/perfect-rockets-agree.md
new file mode 100644
index 0000000..a19f0b4
--- /dev/null
+++ b/.changeset/perfect-rockets-agree.md
@@ -0,0 +1,5 @@
+---
+'@tidaltheory/lens': patch
+---
+
+Fix ModifyDate if filenames include characters after the timestamp
diff --git a/src/cli.ts b/src/cli.ts
index 1a640f1..400df67 100644
--- a/src/cli.ts
+++ b/src/cli.ts
@@ -238,6 +238,9 @@ prog.command('jpg <src>')
 			let sharpImage = sharp(source)
 			spinner.text = 'Converting to JPG...'
 
+			// Remove any non-digit characters from the end of the filename.
+			name = name.replace(/\D*$/, '')
+
 			let dt = name.slice(-14)
 			let d = dt.slice(0, 8)
 			let t = dt.slice(8)