diff --git a/src/makemon.c b/src/makemon.c
index 12f03431a..d09518bb1 100644
--- a/src/makemon.c
+++ b/src/makemon.c
@@ -1038,7 +1038,7 @@ int mndx;
     }
 }
 
-static const struct mextra zeromextra = { DUMMY };
+static const struct mextra zeromextra = DUMMY;
 
 static void
 init_mextra(mex)
diff --git a/src/mkobj.c b/src/mkobj.c
index 4b3411a6a..d46ed924c 100644
--- a/src/mkobj.c
+++ b/src/mkobj.c
@@ -67,7 +67,7 @@ static const struct icp hellprobs[] = { { 20, WEAPON_CLASS },
                                         { 8, RING_CLASS },
                                         { 4, AMULET_CLASS } };
 
-static const struct oextra zerooextra = { DUMMY };
+static const struct oextra zerooextra = DUMMY;
 
 static void
 init_oextra(oex)