diff --git a/packages/angular_devkit/architect/bin/architect.ts b/packages/angular_devkit/architect/bin/architect.ts
index b4513721a1da..05888c276e55 100644
--- a/packages/angular_devkit/architect/bin/architect.ts
+++ b/packages/angular_devkit/architect/bin/architect.ts
@@ -180,9 +180,16 @@ function parseOptions(args: string[]): Options {
       }
     }
 
-    // Type inference for numbers
-    if (typeof value === 'string' && !isNaN(Number(value))) {
-      value = Number(value);
+    if (typeof value === 'string') {
+      if (!isNaN(Number(value))) {
+        // Type inference for numbers
+        value = Number(value);
+      } else if (value === 'true') {
+        // Type inference for booleans
+        value = true;
+      } else if (value === 'false') {
+        value = false;
+      }
     }
 
     const camelName = strings.camelize(name);
diff --git a/packages/angular_devkit/schematics_cli/bin/schematics.ts b/packages/angular_devkit/schematics_cli/bin/schematics.ts
index 109497dd89e1..08d72f9d01d5 100644
--- a/packages/angular_devkit/schematics_cli/bin/schematics.ts
+++ b/packages/angular_devkit/schematics_cli/bin/schematics.ts
@@ -520,9 +520,16 @@ function parseOptions(args: string[]): Options {
       }
     }
 
-    // Type inference for numbers
-    if (typeof value === 'string' && !isNaN(Number(value))) {
-      value = Number(value);
+    if (typeof value === 'string') {
+      if (!isNaN(Number(value))) {
+        // Type inference for numbers
+        value = Number(value);
+      } else if (value === 'true') {
+        // Type inference for booleans
+        value = true;
+      } else if (value === 'false') {
+        value = false;
+      }
     }
 
     const camelName = strings.camelize(name);