diff --git a/var/spack/repos/builtin/packages/sed/package.py b/var/spack/repos/builtin/packages/sed/package.py
index cbf691d0c32..5960fd6b611 100644
--- a/var/spack/repos/builtin/packages/sed/package.py
+++ b/var/spack/repos/builtin/packages/sed/package.py
@@ -35,3 +35,10 @@ def determine_version(cls, exe):
         version_regexp = r"{:s} \(GNU sed\) (\S+)".format(exe)
         match = re.search(version_regexp, output)
         return match.group(1) if match else None
+
+    def flag_handler(self, name, flags):
+        iflags = []
+        if name == "cflags":
+            if self.spec.satisfies("%oneapi@2023.0.0:"):
+                iflags.append("-Wno-error=incompatible-function-pointer-types")
+        return (iflags, None, None)