diff --git a/gcc/gcc/config/t-haiku b/gcc/gcc/config/t-haiku
index b442f89594..59fa413f85 100644
--- a/gcc/gcc/config/t-haiku
+++ b/gcc/gcc/config/t-haiku
@@ -1,4 +1,4 @@
 # There are system headers elsewhere, but these are the ones that
 # we are most likely to want to apply any fixes to.
-NATIVE_SYSTEM_HEADER_DIR = /boot/develop/headers/posix
+NATIVE_SYSTEM_HEADER_DIR = /boot/develop/headers
 LIMITS_H_TEST = [ -f $(SYSTEM_HEADER_DIR)/posix/limits.h ]
\ No newline at end of file