diff --git a/src/Makevars b/src/Makevars
index 0ee3615..ef7add2 100644
--- a/src/Makevars
+++ b/src/Makevars
@@ -1,2 +1,2 @@
-PKG_CFLAGS = $(SHLIB_OPENMP_CFLAGS)
-PKG_LIBS = $(SHLIB_OPENMP_CFLAGS)
+PKG_CFLAGS = $(SHLIB_OPENMP_CFLAGS) -I/usr/include
+PKG_LIBS = $(SHLIB_OPENMP_CFLAGS) -L/usr/lib -lOpenCL