diff --git a/.github/trigger_files/beam_PreCommit_Java.json b/.github/trigger_files/beam_PreCommit_Java.json
new file mode 100644
index 000000000000..5abe02fc09c7
--- /dev/null
+++ b/.github/trigger_files/beam_PreCommit_Java.json
@@ -0,0 +1,4 @@
+{
+  "comment": "Modify this file in a trivial way to cause this test suite to run.",
+  "modification": 1
+}
diff --git a/sdks/go/pkg/beam/runners/prism/internal/execute.go b/sdks/go/pkg/beam/runners/prism/internal/execute.go
index 427f1eb7145d..ab041da314dc 100644
--- a/sdks/go/pkg/beam/runners/prism/internal/execute.go
+++ b/sdks/go/pkg/beam/runners/prism/internal/execute.go
@@ -147,11 +147,13 @@ func executePipeline(ctx context.Context, wks map[string]*worker.W, j *jobservic
 
 	config := engine.Config{}
 	m := j.PipelineOptions().AsMap()
-	for _, exp := range m["beam:option:experiments:v1"].([]interface{}) {
-		if expStr, ok := exp.(string); ok {
-			if expStr == "prism_enable_rtc" {
-				config.EnableRTC = true
-				break // Found it, no need to check the rest of the slice
+	if experimentsSlice, ok := m["beam:option:experiments:v1"].([]interface{}); ok {
+		for _, exp := range experimentsSlice {
+			if expStr, ok := exp.(string); ok {
+				if expStr == "prism_enable_rtc" {
+					config.EnableRTC = true
+					break // Found it, no need to check the rest of the slice
+				}
 			}
 		}
 	}