diff --git a/src/build/config/compiler/BUILD.gn b/src/build/config/compiler/BUILD.gn
index 60165f1453..e03223d56b 100644
--- a/src/build/config/compiler/BUILD.gn
+++ b/src/build/config/compiler/BUILD.gn
@@ -1227,7 +1227,7 @@ config("compiler_deterministic") {
 
   # Eliminate build metadata (__DATE__, __TIME__ and __TIMESTAMP__) for
   # deterministic build.  See https://crbug.com/314403
-  if (!is_official_build) {
+  if (is_official_build) {
     if (is_win && !is_clang) {
       cflags += [
         "/wd4117",  # Trying to define or undefine a predefined macro.