diff --git a/var/spack/repos/builtin/packages/ocaml/package.py b/var/spack/repos/builtin/packages/ocaml/package.py
index 4894c95509e..f056e6910bd 100644
--- a/var/spack/repos/builtin/packages/ocaml/package.py
+++ b/var/spack/repos/builtin/packages/ocaml/package.py
@@ -70,7 +70,7 @@ def install(self, spec, prefix):
                     string=True,
                 )
 
-        configure(*(base_args))
+        configure(*(base_args), f"CC={self.compiler.cc}")
 
         make("world.opt")
         make("install", "PREFIX={0}".format(prefix))