diff --git a/configure b/configure
index e398607..e08bb2d 100755
--- a/configure
+++ b/configure
@@ -18753,6 +18753,7 @@ if test "$coin_has_metis" = yes; then
 fi
 
 # Fix Fortran preprocessor flags
+# Add workaround for incompatibility with Fortran 2003 (https://github.com/coin-or-tools/ThirdParty-Mumps/issues/4)
 case $FC in
   *xlf*)
     fdefs=
@@ -18763,6 +18764,9 @@ case $FC in
     fi
     MY_FDEFS="$fdefs"
     ;;
+  *gfortran*)
+    MY_FDEFS="$MY_FDEFS -std=legacy"
+    ;;
 esac
 
 
diff --git a/configure.ac b/configure.ac
index e6a282e..f91f9b4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -106,6 +106,7 @@ if test "$coin_has_metis" = yes; then
 fi
 
 # Fix Fortran preprocessor flags
+# Add workaround for incompatibility with Fortran 2003 (https://github.com/coin-or-tools/ThirdParty-Mumps/issues/4)
 case $FC in
   *xlf*)
     fdefs=
@@ -116,6 +117,9 @@ case $FC in
     fi
     MY_FDEFS="$fdefs"
     ;;
+  *gfortran*)
+    MY_FDEFS="$MY_FDEFS -std=legacy"
+    ;;
 esac
 AC_SUBST(MY_FDEFS)