diff --git a/var/spack/repos/builtin/packages/petsc/package.py b/var/spack/repos/builtin/packages/petsc/package.py
index 830adff3b59..ad674264951 100644
--- a/var/spack/repos/builtin/packages/petsc/package.py
+++ b/var/spack/repos/builtin/packages/petsc/package.py
@@ -573,7 +573,7 @@ def configure_options(self):
             for pkg in hip_lpkgs:
                 hip_lib += spec[pkg].libs.joined() + " "
             options.append("HIPPPFLAGS=%s" % hip_inc)
-            options.append("with-hip-lib=%s -L%s -lamdhip64" % (hip_lib, spec["hip"].prefix.lib))
+            options.append("--with-hip-lib=%s -L%s -lamdhip64" % (hip_lib, spec["hip"].prefix.lib))
 
         if "superlu-dist" in spec:
             if spec.satisfies("@3.10.3:3.15"):