diff --git a/lang/ghc/Portfile b/lang/ghc/Portfile
index 7582644fc9448..ebe31fc05465a 100644
--- a/lang/ghc/Portfile
+++ b/lang/ghc/Portfile
@@ -142,6 +142,8 @@ if {${name} eq ${subport}} {
                     "OPT=${prefix}/bin/opt-mp-${ghc_llvm_version}"
     }
 
+    use_configure   yes
+
     configure.cmd   ./configure
     configure.pre_args \
                     --prefix=${prefix}