diff --git a/mediapipe/tasks/ios/core/sources/MPPTaskRunner.h b/mediapipe/tasks/ios/core/sources/MPPTaskRunner.h
index ed57d2df2..5e454e16d 100644
--- a/mediapipe/tasks/ios/core/sources/MPPTaskRunner.h
+++ b/mediapipe/tasks/ios/core/sources/MPPTaskRunner.h
@@ -17,6 +17,10 @@
 #include "mediapipe/framework/calculator.pb.h"
 #include "mediapipe/tasks/cc/core/task_runner.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif  // __cplusplus
+
 NS_ASSUME_NONNULL_BEGIN
 
 /**
@@ -88,3 +92,7 @@ NS_ASSUME_NONNULL_BEGIN
 @end
 
 NS_ASSUME_NONNULL_END
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif  // __cplusplus
diff --git a/mediapipe/tasks/ios/text/text_classifier/sources/MPPTextClassifier.h b/mediapipe/tasks/ios/text/text_classifier/sources/MPPTextClassifier.h
index 33d3c8970..4aed54457 100644
--- a/mediapipe/tasks/ios/text/text_classifier/sources/MPPTextClassifier.h
+++ b/mediapipe/tasks/ios/text/text_classifier/sources/MPPTextClassifier.h
@@ -12,12 +12,19 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#ifndef MEDIAPIPE_TASKS_IOS_TEXT_TEXT_CLASSIFIER_SOURCES_MPP_TEXT_CLASSIFIER_H_
+#define MEDIAPIPE_TASKS_IOS_TEXT_TEXT_CLASSIFIER_SOURCES_MPP_TEXT_CLASSIFIER_H_
+
 #import <Foundation/Foundation.h>
 
 #import "mediapipe/tasks/ios/core/sources/MPPTaskOptions.h"
 #import "mediapipe/tasks/ios/text/text_classifier/sources/MPPTextClassifierOptions.h"
 #import "mediapipe/tasks/ios/text/text_classifier/sources/MPPTextClassifierResult.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif  // __cplusplus
+
 NS_ASSUME_NONNULL_BEGIN
 
 /**
@@ -100,3 +107,9 @@ NS_SWIFT_NAME(TextClassifier)
 @end
 
 NS_ASSUME_NONNULL_END
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif  // __cplusplus
+
+#endif // MEDIAPIPE_TASKS_IOS_TEXT_TEXT_CLASSIFIER_SOURCES_MPP_TEXT_CLASSIFIER_H_