diff --git a/src/compiler/OPV.Mod b/src/compiler/OPV.Mod
index c2099cc5..31e07fd9 100644
--- a/src/compiler/OPV.Mod
+++ b/src/compiler/OPV.Mod
@@ -790,7 +790,7 @@ MODULE OPV;  (* J. Templ 16.2.95 / 3.7.96
                                           OPM.WriteString("__X(");
                                           OPC.Len(r.obj, r.typ, 0); OPM.WriteString(" * "); OPM.WriteInt(r.typ.BaseTyp.size);
                                           OPM.WriteString(", ");
-                                          OPM.WriteInt(l.typ.size);
+                                          OPM.WriteInt(l.typ.size+1); (* _X vaidates 0 .. n-1 so we need to +1. *)
                                           OPM.Write(")")
                                         ELSE (* Array to array copy. *)
                                           ASSERT(r.typ.comp = OPT.Array); ASSERT(r.typ.size <= l.typ.size);
diff --git a/src/tools/make/configure.c b/src/tools/make/configure.c
index 5865e3e0..4fde13a3 100644
--- a/src/tools/make/configure.c
+++ b/src/tools/make/configure.c
@@ -106,7 +106,7 @@ void determineOS() {
   #ifdef _WIN32
     os = "windows";  platform = "windows";  binext = ".exe"; staticlink = "";
   #else
-    os = "unknown";  platform = "unix";     binext = "";     staticlink = "-static";
+    os = "unknown";  platform = "unix";     binext = "";     staticlink = " -static";
 
     struct utsname sys;
     if (uname(&sys)<0) fail("Couldn't get sys name - uname() failed.");