diff --git a/docs/google.md b/docs/google.md
index 232fcc29fd..30bd8d4f84 100644
--- a/docs/google.md
+++ b/docs/google.md
@@ -156,7 +156,7 @@ process myTask {
 
 :::{note}
 Using an instance template will overwrite the `accelerator` and `disk` directives, as well as the following Google Batch
-config options: `cpuPlatform`, `preemptible`, and `spot`.
+config options: `bootDiskImage`, `cpuPlatform`, `preemptible`, and `spot`.
 :::
 
 To use an instance template with GPUs, you must also set the `google.batch.installGpuDrivers` config option to `true`.
diff --git a/plugins/nf-google/src/main/nextflow/cloud/google/batch/GoogleBatchTaskHandler.groovy b/plugins/nf-google/src/main/nextflow/cloud/google/batch/GoogleBatchTaskHandler.groovy
index b7a33cafed..389f2247b6 100644
--- a/plugins/nf-google/src/main/nextflow/cloud/google/batch/GoogleBatchTaskHandler.groovy
+++ b/plugins/nf-google/src/main/nextflow/cloud/google/batch/GoogleBatchTaskHandler.groovy
@@ -303,6 +303,9 @@ class GoogleBatchTaskHandler extends TaskHandler implements FusionAwareTask {
             if( task.config.getDisk() )
                 log.warn1 'Process directive `disk` ignored because an instance template was specified'
 
+            if( executor.config.getBootDiskImage() )
+                log.warn1 'Config option `google.batch.bootDiskImage` ignored because an instance template was specified'
+
             if( executor.config.cpuPlatform )
                 log.warn1 'Config option `google.batch.cpuPlatform` ignored because an instance template was specified'