diff --git a/tests/regression/sgemm_tcore/Makefile b/tests/regression/sgemm_tcore/Makefile
index deb2c1ca..30655c95 100644
--- a/tests/regression/sgemm_tcore/Makefile
+++ b/tests/regression/sgemm_tcore/Makefile
@@ -3,6 +3,7 @@ PROJECT = sgemm_tcore
 SRCS = main.cpp common.h
 
 VX_SRCS = kernel.cpp
+VX_INCLUDES = sgemm_impl.hpp
 
 OPTS ?= -n16