diff --git a/src/glitchup_bot/glitchtip_client/client.py b/src/glitchup_bot/glitchtip_client/client.py
index d6a43b2..fa712b8 100644
--- a/src/glitchup_bot/glitchtip_client/client.py
+++ b/src/glitchup_bot/glitchtip_client/client.py
@@ -1,4 +1,5 @@
 import logging
+from urllib.parse import parse_qs, urlparse
 
 import httpx
 
@@ -88,9 +89,15 @@ class GlitchTipClient:
             if 'rel="next"' not in part or 'results="true"' not in part or "cursor=" not in part:
                 continue
 
-            start = part.index("cursor=") + len("cursor=")
-            end = part.find(">", start)
-            return part[start:end] if end != -1 else part[start:]
+            url_start = part.find("<")
+            url_end = part.find(">", url_start + 1)
+            if url_start == -1 or url_end == -1:
+                continue
+
+            parsed = urlparse(part[url_start + 1 : url_end].strip())
+            cursor_values = parse_qs(parsed.query).get("cursor")
+            if cursor_values:
+                return cursor_values[0]
 
         return None
 
diff --git a/tests/test_glitchtip_client.py b/tests/test_glitchtip_client.py
index 7f0d22e..99897da 100644
--- a/tests/test_glitchtip_client.py
+++ b/tests/test_glitchtip_client.py
@@ -44,6 +44,18 @@ async def test_list_issues_retries_without_query_params_on_422() -> None:
     ]
 
 
+def test_parse_next_cursor_extracts_only_cursor_value() -> None:
+    link_header = (
+        '<https://glitchtip.example.com/api/0/projects/org/backend-production/issues/'
+        '?limit=100&cursor=cD0yMDI2LTAzLTI2KzIxJTNBNTklM0EyMS4xNjkxNDklMkIwMCUzQTAw'
+        '%26limit%3D100>; rel="next"; results="true"; cursor="..."'
+    )
+
+    cursor = GlitchTipClient._parse_next_cursor(link_header)
+
+    assert cursor == "cD0yMDI2LTAzLTI2KzIxJTNBNTklM0EyMS4xNjkxNDklMkIwMCUzQTAw&limit=100"
+
+
 @pytest.mark.asyncio
 async def test_list_issues_preserves_non_422_errors() -> None:
     def handler(request: httpx.Request) -> httpx.Response: