1 files changed, 1 insertions, 1 deletions
diff --git a/hash.c b/hash.c
index 9bfc39611e..29f4b26385 100644
--- a/hash.c
+++ b/hash.c
@@ -2772,7 +2772,7 @@ getenvsize(const char* p)
     return p - porg + 1;
 }
 static size_t
-getenvblocksize()
+getenvblocksize(void)
 {
     return (rb_w32_osver() >= 5) ? 32767 : 5120;
 }