diff --git a/android-interop-testing/app/build.gradle b/android-interop-testing/app/build.gradle
index 3dfe35c..874cdf5 100644
--- a/android-interop-testing/app/build.gradle
+++ b/android-interop-testing/app/build.gradle
@@ -47,7 +47,7 @@
             task.plugins {
                 grpc {
                     // Options added to --grpc_out
-                    option 'nano=true'
+                    option 'nano'
                 }
             }
         }
diff --git a/compiler/README.md b/compiler/README.md
index e78c08d..d09a70b 100644
--- a/compiler/README.md
+++ b/compiler/README.md
@@ -40,7 +40,7 @@
 To generate Java interfaces with protobuf nano:
 ```
 $ protoc --plugin=protoc-gen-grpc-java=build/binaries/java_pluginExecutable/protoc-gen-grpc-java \
-  --grpc-java_out=nano=true:"$OUTPUT_FILE" --proto_path="$DIR_OF_PROTO_FILE" "$PROTO_FILE"
+  --grpc-java_out=nano:"$OUTPUT_FILE" --proto_path="$DIR_OF_PROTO_FILE" "$PROTO_FILE"
 ```
 
 ## Installing the codegen to Maven local repository
diff --git a/compiler/build.gradle b/compiler/build.gradle
index b9e4173..30c5dca 100644
--- a/compiler/build.gradle
+++ b/compiler/build.gradle
@@ -168,7 +168,7 @@
       }
       task.plugins {
         grpc {
-          option 'nano=true'
+          option 'nano'
         }
       }
     }
diff --git a/compiler/src/java_plugin/cpp/java_plugin.cpp b/compiler/src/java_plugin/cpp/java_plugin.cpp
index eb4a456..5b4b190 100644
--- a/compiler/src/java_plugin/cpp/java_plugin.cpp
+++ b/compiler/src/java_plugin/cpp/java_plugin.cpp
@@ -38,7 +38,7 @@
     java_grpc_generator::ProtoFlavor flavor =
         java_grpc_generator::ProtoFlavor::NORMAL;
     for (int i = 0; i < options.size(); i++) {
-      if (options[i].first == "nano" && options[i].second == "true") {
+      if (options[i].first == "nano") {
         flavor = java_grpc_generator::ProtoFlavor::NANO;
       } else if (options[i].first == "lite") {
         flavor = java_grpc_generator::ProtoFlavor::LITE;
diff --git a/examples/android/app/build.gradle b/examples/android/app/build.gradle
index 155b62f..462d658 100644
--- a/examples/android/app/build.gradle
+++ b/examples/android/app/build.gradle
@@ -46,7 +46,7 @@
             task.plugins {
                 grpc {
                     // Options added to --grpc_out
-                    option 'nano=true'
+                    option 'nano'
                 }
             }
         }