diff --git a/src/core/ngx_log.c b/src/core/ngx_log.c
index e3abcd780..cc38b02da 100644
--- a/src/core/ngx_log.c
+++ b/src/core/ngx_log.c
@@ -127,18 +127,10 @@ ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,
         }
 
 #if (NGX_WIN32)
-
-        if ((unsigned) err >= 0x80000000) {
-            p = ngx_snprintf(p, last - p, " (%Xd: ", err);
-
-        } else {
-            p = ngx_snprintf(p, last - p, " (%d: ", err);
-        }
-
+        p = ngx_snprintf(p, last - p, ((unsigned) err < 0x80000000)
+                                           ? " (%d: " : " (%Xd: ", err);
 #else
-
         p = ngx_snprintf(p, last - p, " (%d: ", err);
-
 #endif
 
         p = ngx_strerror_r(err, p, last - p);
diff --git a/src/os/win32/ngx_gui.c b/src/os/win32/ngx_gui.c
index 138d44a6b..ba6564560 100644
--- a/src/os/win32/ngx_gui.c
+++ b/src/os/win32/ngx_gui.c
@@ -36,13 +36,8 @@ ngx_message_box(char *title, ngx_uint_t type, ngx_err_t err,
             *p++ = '.';
         }
 
-        if ((unsigned) err >= 0x80000000) {
-            p = ngx_snprintf(p, last - p, " (%Xd: ", err);
-
-        } else {
-            p = ngx_snprintf(p, last - p, " (%d: ", err);
-        }
-
+        p = ngx_snprintf(p, last - p, ((unsigned) err < 0x80000000)
+                                           ? " (%d: " : " (%Xd: ", err);
         p = ngx_strerror_r(err, p, last - p);
 
         if (p < last) {