diff --git a/src/main/java/com/google/devtools/build/lib/rules/SkylarkActionFactory.java b/src/main/java/com/google/devtools/build/lib/rules/SkylarkActionFactory.java
index 2f87704d835e4e..2a3974179b9e37 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/SkylarkActionFactory.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/SkylarkActionFactory.java
@@ -669,7 +669,7 @@ private static String mangleMnemonic(String mnemonic) {
         doc = "substitutions to make when expanding the template."
       ),
       @Param(
-        name = "executable",
+        name = "is_executable",
         type = Boolean.class,
         defaultValue = "False",
         named = true,
diff --git a/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleImplementationFunctionsTest.java b/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleImplementationFunctionsTest.java
index 6a7f2e278f5199..7ad63460e2dd89 100644
--- a/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleImplementationFunctionsTest.java
+++ b/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleImplementationFunctionsTest.java
@@ -633,7 +633,7 @@ public void testCreateTemplateAction() throws Exception {
         "  template = ruleContext.files.srcs[0],",
         "  output = ruleContext.files.srcs[1],",
         "  substitutions = {'a': 'b'},",
-        "  executable = False)");
+        "  is_executable = False)");
 
     TemplateExpansionAction action = (TemplateExpansionAction) Iterables.getOnlyElement(
         ruleContext.getRuleContext().getAnalysisEnvironment().getRegisteredActions());
@@ -669,7 +669,7 @@ public void testCreateTemplateActionWithWrongEncoding() throws Exception {
         "  template = ruleContext.files.srcs[0],",
         "  output = ruleContext.files.srcs[1],",
         "  substitutions = {'a': '" + new String(bytesToDecode, latin1) + "'},",
-        "  executable = False)");
+        "  is_executable = False)");
     TemplateExpansionAction action = (TemplateExpansionAction) Iterables.getOnlyElement(
         ruleContext.getRuleContext().getAnalysisEnvironment().getRegisteredActions());
     List<Substitution> substitutions = action.getSubstitutions();