diff --git a/Makefile b/Makefile
index 9d8bf9c..d45e6c6 100644
--- a/Makefile
+++ b/Makefile
@@ -200,7 +200,9 @@ status-all:
 # =================================================
 # gcc
 # =================================================
-CONFIG_GCC=--prefix=$(PREFIX) --target=m68k-amigaos --enable-languages=c,c++,objc --enable-version-specific-runtime-libs --disable-libssp --disable-nls
+CONFIG_GCC=--prefix=$(PREFIX) --target=m68k-amigaos --enable-languages=c,c++,objc --enable-version-specific-runtime-libs --disable-libssp --disable-nls \
+	--with-headers=$(PWD)/projects/newlib-cygwin/newlib/libc/sys/amigaos/include/
+
 
 GCC_CMD = m68k-amigaos-c++ m68k-amigaos-g++ m68k-amigaos-gcc-$(GCC_VERSION) m68k-amigaos-gcc-nm \
 	m68k-amigaos-gcov m68k-amigaos-gcov-tool m68k-amigaos-cpp m68k-amigaos-gcc m68k-amigaos-gcc-ar \
@@ -767,4 +769,4 @@ info:
 
 v:
 	@for i in projects/* ; do cd $$i 2>/dev/null && echo $$i && (git log -n1 | grep commit) && cd ../..; done
-	@echo "." && git log -n1 | grep commit
\ No newline at end of file
+	@echo "." && git log -n1 | grep commit