diff --git a/cmd/protoc-gen-gogapic/main.go b/cmd/protoc-gen-go_gapic/main.go
similarity index 100%
rename from cmd/protoc-gen-gogapic/main.go
rename to cmd/protoc-gen-go_gapic/main.go
diff --git a/test.sh b/test.sh
index 6216d9cf946..e424ad17236 100755
--- a/test.sh
+++ b/test.sh
@@ -39,10 +39,10 @@ OUT=${OUT:-testdata/out}
 mkdir -p "$OUT"
 
 generate() {
-	protoc --gogapic_out "$OUT" -I "$COMMON_PROTO" -I "$GOOGLEAPIS" $*
+	protoc --go_gapic_out "$OUT" -I "$COMMON_PROTO" -I "$GOOGLEAPIS" $*
 }
 
-generate --gogapic_opt 'cloud.google.com/go/vision/apiv1;vision' $GOOGLEAPIS/google/cloud/vision/v1/*.proto
-generate --gogapic_opt 'cloud.google.com/go/speech/apiv1;speech' $GOOGLEAPIS/google/cloud/speech/v1/*.proto
-generate --gogapic_opt 'cloud.google.com/go/pubsub/apiv1;pubsub' $GOOGLEAPIS/google/pubsub/v1/*.proto
-generate --gogapic_opt 'cloud.google.com/go/logging/apiv2;logging' $GOOGLEAPIS/google/logging/v2/*.proto
+generate --go_gapic_opt 'cloud.google.com/go/vision/apiv1;vision' $GOOGLEAPIS/google/cloud/vision/v1/*.proto
+generate --go_gapic_opt 'cloud.google.com/go/speech/apiv1;speech' $GOOGLEAPIS/google/cloud/speech/v1/*.proto
+generate --go_gapic_opt 'cloud.google.com/go/pubsub/apiv1;pubsub' $GOOGLEAPIS/google/pubsub/v1/*.proto
+generate --go_gapic_opt 'cloud.google.com/go/logging/apiv2;logging' $GOOGLEAPIS/google/logging/v2/*.proto