diff --git a/src/http/modules/ngx_http_index_module.c b/src/http/modules/ngx_http_index_module.c
index f9ce849..fd20105 100644
--- a/src/http/modules/ngx_http_index_module.c
+++ b/src/http/modules/ngx_http_index_module.c
@@ -198,7 +198,7 @@
 
             path.len = e.pos - path.data;
 
-            *e.pos++ = '\0';
+            *e.pos = '\0';
         }
 
         ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c
index 2c3992b..3af15de 100644
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -1122,7 +1122,7 @@
 
             path.len = e.pos - path.data;
 
-            *e.pos++ = '\0';
+            *e.pos = '\0';
 
             if (alias && ngx_strncmp(name, clcf->name.data, alias) == 0) {
                 ngx_memcpy(name, name + alias, len - alias);