diff --git a/src/page.rs b/src/page.rs
index 4c674e7..195c2f9 100644
--- a/src/page.rs
+++ b/src/page.rs
@@ -252,7 +252,7 @@ impl Page {
         }?;
         let mut buf = unsafe { Buffer::from_raw(inner) };
         let mut res = String::new();
-        buf.read_to_string(&mut res).unwrap();
+        buf.read_to_string(&mut res)?;
         Ok(res)
     }
 
diff --git a/tests/files/no-json.pdf b/tests/files/no-json.pdf
new file mode 100755
index 0000000..ecd435f
Binary files /dev/null and b/tests/files/no-json.pdf differ
diff --git a/tests/test_issues.rs b/tests/test_issues.rs
index ff5c608..89f734f 100644
--- a/tests/test_issues.rs
+++ b/tests/test_issues.rs
@@ -117,3 +117,11 @@ fn test_issue_i32_box() {
         assert!(stext_page.is_ok());
     }
 }
+
+#[test]
+fn test_issue_no_json() {
+    let doc = PdfDocument::open("tests/files/no-json.pdf").unwrap();
+    let page = doc.load_page(0).unwrap();
+    let json = page.stext_page_as_json_from_page(1.0);
+    assert!(json.is_err());
+}