diff --git a/src/misc1.c b/src/misc1.c
index 1ab55f0..76f5025 100644
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -4485,7 +4485,7 @@
 #ifdef HAVE_UNSETENV
     unsetenv((char *)var);
 #else
-    mch_setenv((char *)var, "", 0);
+    vim_setenv(var, (char_u *)"");
 #endif
 }
 
diff --git a/src/version.c b/src/version.c
index 34b0113..67a6acf 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1841,
+/**/
     1840,
 /**/
     1839,