diff --git a/firmware/controllers/core/big_buffer.cpp b/firmware/controllers/core/big_buffer.cpp
index 38e9e9b1be..ca1f19c6b3 100644
--- a/firmware/controllers/core/big_buffer.cpp
+++ b/firmware/controllers/core/big_buffer.cpp
@@ -9,7 +9,7 @@ static BigBufferUser s_currentUser;
 static uint32_t s_bigBuffer[BIG_BUFFER_SIZE / sizeof(uint32_t)];
 
 #if EFI_UNIT_TEST
-BigBufferUser &getBigBufferCurrentUser() {
+BigBufferUser getBigBufferCurrentUser() {
   return s_currentUser;
 }
 #endif // EFI_UNIT_TEST
diff --git a/unit_tests/tests/test_big_buffer.cpp b/unit_tests/tests/test_big_buffer.cpp
index 726fbc8c6f..e507f55279 100644
--- a/unit_tests/tests/test_big_buffer.cpp
+++ b/unit_tests/tests/test_big_buffer.cpp
@@ -1,6 +1,6 @@
 #include "pch.h"
 
-BigBufferUser &getBigBufferCurrentUser();
+BigBufferUser getBigBufferCurrentUser();
 
 TEST(BigBuffer, CppMagic) {
   BigBufferHandle h = getBigBuffer(BigBufferUser::ToothLogger);