diff --git a/linux_intel.def b/linux_intel.def
index 2a70067..b53c31a 100755
--- a/linux_intel.def
+++ b/linux_intel.def
@@ -1,6 +1,9 @@
 # for intel compiler on linux (most exercises work with icc as well)
 # copy to make.def
-CC         = icpc
+#
+# Make sure to execute `. /opt/intel/oneapi/setvars.sh` in the terminal
+# before executing `make test`
+CC         = icx
 CPP         = $(CC)
 OPTFLAGS   = -openmp