diff --git a/core/crypto/hash/hash_freestanding.odin b/core/crypto/hash/hash_freestanding.odin
index 15fd6ab4fe9..bec3c4eee41 100644
--- a/core/crypto/hash/hash_freestanding.odin
+++ b/core/crypto/hash/hash_freestanding.odin
@@ -1,4 +1,4 @@
-//+build freestanding
+#+build freestanding
 package crypto_hash
 
 hash :: proc {
diff --git a/core/crypto/hash/hash_os.odin b/core/crypto/hash/hash_os.odin
index 1fbaab3fe90..d54e657ad2d 100644
--- a/core/crypto/hash/hash_os.odin
+++ b/core/crypto/hash/hash_os.odin
@@ -1,4 +1,4 @@
-//+build !freestanding
+#+build !freestanding
 package crypto_hash
 
 import "core:io"