diff --git a/cluster/deployment/mock/config.yaml b/cluster/deployment/mock/config.yaml
index 389c53b5a7..e7fff91642 100644
--- a/cluster/deployment/mock/config.yaml
+++ b/cluster/deployment/mock/config.yaml
@@ -108,6 +108,10 @@ loadTester:
   chartVersion: 1.2.3
 svs:
   default:
+    scanApp:
+      additionalEnvVars:
+        - name: CUSTOM_MOCK_ENV_VAR_NAME
+          value: CUSTOM_MOCK_ENV_VAR_VALUE
     svApp:
       additionalEnvVars:
         - name: CUSTOM_MOCK_ENV_VAR_NAME
diff --git a/cluster/expected/canton-network/expected.json b/cluster/expected/canton-network/expected.json
index c457433114..e95d4e0f89 100644
--- a/cluster/expected/canton-network/expected.json
+++ b/cluster/expected/canton-network/expected.json
@@ -1007,6 +1007,12 @@
       "namespace": "sv-1",
       "timeout": 600,
       "values": {
+        "additionalEnvVars": [
+          {
+            "name": "CUSTOM_MOCK_ENV_VAR_NAME",
+            "value": "CUSTOM_MOCK_ENV_VAR_VALUE"
+          }
+        ],
         "additionalJvmOptions": "-Dcom.sun.management.jmxremote=true -Dcom.sun.management.jmxremote.port=9010 -Dcom.sun.management.jmxremote.rmi.port=9010 -Dcom.sun.management.jmxremote.local.only=false -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Djava.rmi.server.hostname=127.0.0.1",
         "affinity": {
           "nodeAffinity": {
diff --git a/cluster/pulumi/canton-network/src/sv.ts b/cluster/pulumi/canton-network/src/sv.ts
index 27f28725a2..db9eb3efbe 100644
--- a/cluster/pulumi/canton-network/src/sv.ts
+++ b/cluster/pulumi/canton-network/src/sv.ts
@@ -580,6 +580,7 @@ function installScan(
       : {}),
     enablePostgresMetrics: true,
     logLevel: config.logging?.appsLogLevel,
+    additionalEnvVars: config.scanApp?.additionalEnvVars || [],
     ...updateHistoryBackfillingValues,
   };
 
diff --git a/cluster/pulumi/common-sv/src/singleSvConfig.ts b/cluster/pulumi/common-sv/src/singleSvConfig.ts
index 66eaf123f9..71ee49b05e 100644
--- a/cluster/pulumi/common-sv/src/singleSvConfig.ts
+++ b/cluster/pulumi/common-sv/src/singleSvConfig.ts
@@ -22,6 +22,9 @@ const SvParticipantConfigSchema = z.object({
 const SvAppConfigSchema = z.object({
   additionalEnvVars: z.array(EnvVarConfigSchema).default([]),
 });
+const ScanAppConfigSchema = z.object({
+  additionalEnvVars: z.array(EnvVarConfigSchema).default([]),
+});
 // https://docs.cometbft.com/main/explanation/core/running-in-production
 const CometbftLogLevelSchema = z.enum(['info', 'error', 'debug', 'none']);
 const SingleSvConfigSchema = z
@@ -29,6 +32,7 @@ const SingleSvConfigSchema = z
     cometbft: SvCometbftConfigSchema.optional(),
     participant: SvParticipantConfigSchema.optional(),
     svApp: SvAppConfigSchema.optional(),
+    scanApp: ScanAppConfigSchema.optional(),
     logging: z
       .object({
         appsLogLevel: LogLevelSchema,