diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index 6a4a41f..ca1f9ff 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -55,6 +55,9 @@ add_library(dtests-cpp-common
     Utils.cpp
 )
 
+target_include_directories(dtests-cpp-common
+    PRIVATE ${PROTON_INCLUDE_DIR}
+)
 if (WIN32)
     target_link_libraries(dtests-cpp-common)
 else (WIN32)