diff --git a/CHANGELOG.md b/CHANGELOG.md
index b0382d3fe4..666ab13127 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - User profile UI tweaks ([#3443](https://github.com/grafana/oncall/pull/3443))
+- Ensure stack_id and org_id are ints @mderynck [(#3458](https://github.com/grafana/oncall/pull/3458))
 
 ## v1.3.64 (2023-11-28)
 
diff --git a/grafana-plugin/src/plugin.json b/grafana-plugin/src/plugin.json
index 9e6311624e..b492048217 100644
--- a/grafana-plugin/src/plugin.json
+++ b/grafana-plugin/src/plugin.json
@@ -108,7 +108,7 @@
       "headers": [
         {
           "name": "X-Instance-Context",
-          "content": "{ \"stack_id\": \"{{ .JsonData.stackId }}\", \"org_id\": \"{{ .JsonData.orgId }}\", \"grafana_token\": \"{{ .SecureJsonData.grafanaToken }}\" }"
+          "content": "{ \"stack_id\": \"{{ printf \"%.0f\" .JsonData.stackId }}\", \"org_id\": \"{{ printf \"%.0f\" .JsonData.orgId }}\", \"grafana_token\": \"{{ .SecureJsonData.grafanaToken }}\" }"
         },
         {
           "name": "Authorization",
@@ -134,7 +134,7 @@
       "headers": [
         {
           "name": "X-Instance-Context",
-          "content": "{ \"stack_id\": \"{{ .JsonData.stackId }}\", \"org_id\": \"{{ .JsonData.orgId }}\" }"
+          "content": "{ \"stack_id\": \"{{ printf \"%.0f\" .JsonData.stackId }}\", \"org_id\": \"{{ printf \"%.0f\" .JsonData.orgId }}\" }"
         },
         {
           "name": "Authorization",
@@ -149,7 +149,7 @@
       "headers": [
         {
           "name": "X-Instance-Context",
-          "content": "{ \"stack_id\": \"{{ .JsonData.stackId }}\", \"org_id\": \"{{ .JsonData.orgId }}\" }"
+          "content": "{ \"stack_id\": \"{{ printf \"%.0f\" .JsonData.stackId }}\", \"org_id\": \"{{ printf \"%.0f\" .JsonData.orgId }}\" }"
         },
         {
           "name": "Authorization",
@@ -164,7 +164,7 @@
       "headers": [
         {
           "name": "X-Instance-Context",
-          "content": "{ \"stack_id\": \"{{ .JsonData.stackId }}\", \"org_id\": \"{{ .JsonData.orgId }}\" }"
+          "content": "{ \"stack_id\": \"{{ printf \"%.0f\" .JsonData.stackId }}\", \"org_id\": \"{{ printf \"%.0f\" .JsonData.orgId }}\" }"
         },
         {
           "name": "Authorization",
@@ -179,7 +179,7 @@
       "headers": [
         {
           "name": "X-Instance-Context",
-          "content": "{ \"stack_id\": \"{{ .JsonData.stackId }}\", \"org_id\": \"{{ .JsonData.orgId }}\" }"
+          "content": "{ \"stack_id\": \"{{ printf \"%.0f\" .JsonData.stackId }}\", \"org_id\": \"{{ printf \"%.0f\" .JsonData.orgId }}\" }"
         },
         {
           "name": "Authorization",