diff --git a/kernel/Makefile b/kernel/Makefile
index 6e178f80b..a441bde7c 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -7,7 +7,15 @@ include $(TOPDIR)/Makefile.system
 
 ifdef TARGET_CORE
 ifeq ($(TARGET_CORE), SKYLAKEX)
-override CFLAGS += -DBUILD_KERNEL -DTABLE_NAME=gotoblas_$(TARGET_CORE) -march=skylake-avx512
+ override CFLAGS += -DBUILD_KERNEL -DTABLE_NAME=gotoblas_$(TARGET_CORE) -march=skylake-avx512
+ ifeq ($(OSNAME), CYGWIN_NT)
+  override CFLAGS += -fno-asynchronous-unwind-tables
+ endif
+ ifeq ($(OSNAME), WINNT)
+  ifeq ($(C_COMPILER), GCC)
+   override CFLAGS += -fno-asynchronous-unwind-tables
+  endif
+ endif
 else
 override CFLAGS += -DBUILD_KERNEL -DTABLE_NAME=gotoblas_$(TARGET_CORE)
 endif