diff --git a/src/getchar.c b/src/getchar.c
index 8513679..1042192 100644
--- a/src/getchar.c
+++ b/src/getchar.c
@@ -3671,7 +3671,9 @@
 	    p += 2;
 	    i -= 2;
 	}
-	// When the GUI is not used CSI needs to be escaped.
+# ifndef MSWIN
+	// When not on MS-Windows and the GUI is not used CSI needs to be
+	// escaped.
 	else if (!gui.in_use && p[0] == CSI)
 	{
 	    mch_memmove(p + 3, p + 1, (size_t)i);
@@ -3680,6 +3682,7 @@
 	    *p = (int)KE_CSI;
 	    len += 2;
 	}
+# endif
 	else
 #endif
 	if (p[0] == NUL || (p[0] == K_SPECIAL