diff --git a/src/os_win32.c b/src/os_win32.c
index ff60e04aed..7891944dab 100644
--- a/src/os_win32.c
+++ b/src/os_win32.c
@@ -5788,7 +5788,7 @@ win32_build_env(dict_T *env, garray_T *gap, int is_terminal)
 		*((WCHAR*)gap->ga_data + gap->ga_len++) = *p;
 	    p++;
 	}
-	FreeEnvironmentStrings(base);
+	FreeEnvironmentStringsW(base);
 	*((WCHAR*)gap->ga_data + gap->ga_len++) = L'\0';
     }
 
diff --git a/src/version.c b/src/version.c
index edfd63539e..a0e61566ad 100644
--- a/src/version.c
+++ b/src/version.c
@@ -699,6 +699,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1901,
 /**/
     1900,
 /**/