diff --git a/gcc/testsuite/gcc.dg/analyzer/fd-4.c b/gcc/testsuite/gcc.dg/analyzer/fd-4.c
index 994bad84342..3a961e4f813 100644
--- a/gcc/testsuite/gcc.dg/analyzer/fd-4.c
+++ b/gcc/testsuite/gcc.dg/analyzer/fd-4.c
@@ -1,4 +1,4 @@
-#ifdef _AIX
+#if defined(_AIX) || defined(__hpux)
 #define _MODE_T
 #endif
 #include <stdio.h>