diff --git a/configs/mingw32_defconfig b/configs/mingw32_defconfig
index 40a23703a2..6c31938d85 100644
--- a/configs/mingw32_defconfig
+++ b/configs/mingw32_defconfig
@@ -76,7 +76,7 @@ CONFIG_DEBUG=y
 # CONFIG_DEBUG_PESSIMIZE is not set
 # CONFIG_DEBUG_SANITIZE is not set
 # CONFIG_UNIT_TEST is not set
-# CONFIG_WERROR is not set
+CONFIG_WERROR=y
 CONFIG_NO_DEBUG_LIB=y
 # CONFIG_DMALLOC is not set
 # CONFIG_EFENCE is not set
diff --git a/configs/mingw64_defconfig b/configs/mingw64_defconfig
index 9bbf4371cb..de693b7708 100644
--- a/configs/mingw64_defconfig
+++ b/configs/mingw64_defconfig
@@ -76,7 +76,7 @@ CONFIG_DEBUG=y
 # CONFIG_DEBUG_PESSIMIZE is not set
 # CONFIG_DEBUG_SANITIZE is not set
 # CONFIG_UNIT_TEST is not set
-# CONFIG_WERROR is not set
+CONFIG_WERROR=y
 CONFIG_NO_DEBUG_LIB=y
 # CONFIG_DMALLOC is not set
 # CONFIG_EFENCE is not set