diff --git a/features/frameworks/greentea-client/source/test_env.cpp b/features/frameworks/greentea-client/source/test_env.cpp
index c0a69a8a79c..54f1586d144 100644
--- a/features/frameworks/greentea-client/source/test_env.cpp
+++ b/features/frameworks/greentea-client/source/test_env.cpp
@@ -533,7 +533,7 @@ enum Token {
  *
  */
 static int _get_char() {
-    return getchar();
+    return greentea_serial->getc();
 }
 
 /**