diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/proto/BUILD b/src/main/java/com/google/devtools/build/lib/rules/cpp/proto/BUILD
index 5dc0c2ecc8cb08..863ffb92eea47f 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/cpp/proto/BUILD
+++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/proto/BUILD
@@ -21,6 +21,7 @@ java_library(
         "//src/main/java/com/google/devtools/build/lib/actions",
         "//src/main/java/com/google/devtools/build/lib/actions:artifacts",
         "//src/main/java/com/google/devtools/build/lib/analysis:analysis_cluster",
+        "//src/main/java/com/google/devtools/build/lib/analysis:config/execution_transition_factory",
         "//src/main/java/com/google/devtools/build/lib/analysis:configured_target",
         "//src/main/java/com/google/devtools/build/lib/analysis:rule_definition_environment",
         "//src/main/java/com/google/devtools/build/lib/analysis:transitive_info_collection",
diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/proto/CcProtoAspect.java b/src/main/java/com/google/devtools/build/lib/rules/cpp/proto/CcProtoAspect.java
index 689d29f2623087..98bd2f527e7b94 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/cpp/proto/CcProtoAspect.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/proto/CcProtoAspect.java
@@ -33,6 +33,7 @@
 import com.google.devtools.build.lib.analysis.TransitiveInfoCollection;
 import com.google.devtools.build.lib.analysis.TransitiveInfoProviderMap;
 import com.google.devtools.build.lib.analysis.TransitiveInfoProviderMapBuilder;
+import com.google.devtools.build.lib.analysis.config.ExecutionTransitionFactory;
 import com.google.devtools.build.lib.cmdline.Label;
 import com.google.devtools.build.lib.collect.nestedset.NestedSet;
 import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
@@ -128,6 +129,7 @@ public AspectDefinition getDefinition(AspectParameters aspectParameters) {
             .add(
                 attr(PROTO_TOOLCHAIN_ATTR, LABEL)
                     .mandatoryBuiltinProviders(ImmutableList.of(ProtoLangToolchainProvider.class))
+                    .cfg(ExecutionTransitionFactory.create())
                     .value(PROTO_TOOLCHAIN_LABEL))
             .add(
                 attr(CcToolchain.CC_TOOLCHAIN_DEFAULT_ATTRIBUTE_NAME, LABEL)