diff --git a/manifests/ollama/values.yaml b/manifests/ollama/values.yaml
index e58e38e..e8cc2dd 100644
--- a/manifests/ollama/values.yaml
+++ b/manifests/ollama/values.yaml
@@ -23,8 +23,10 @@ nodeSelector:
 # Tolerate GPU node taint
 tolerations:
   - key: gpu
-    operator: Equal
-    value: "true"
+    operator: Exists
+    effect: NoSchedule
+  - key: nvidia.com/gpu
+    operator: Exists
     effect: NoSchedule
 
 persistentVolume:
diff --git a/manifests/open-webui/values.yaml b/manifests/open-webui/values.yaml
index a2b595f..a6a0471 100644
--- a/manifests/open-webui/values.yaml
+++ b/manifests/open-webui/values.yaml
@@ -27,6 +27,8 @@ nodeSelector:
 # Tolerate GPU node taint
 tolerations:
   - key: gpu
-    operator: Equal
-    value: "true"
+    operator: Exists
+    effect: NoSchedule
+  - key: nvidia.com/gpu
+    operator: Exists
     effect: NoSchedule