2 files changed, 7 insertions, 0 deletions
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d87ec7..30dce6b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,9 @@
 ### Fixed
 
 * Alpha not being applied correctly to PNG images.
+* Compilation error on musl libc ([#11][11]).
+
+[11]: https://codeberg.org/dnkl/wbg/issues/11
 
 
 ### Security
diff --git a/shm.c b/shm.c
index bd4ce26..c0fe0bc 100644
--- a/shm.c
+++ b/shm.c
@@ -19,6 +19,10 @@
  #define MAP_UNINITIALIZED 0
 #endif
 
+#if !defined(MFD_NOEXEC_SEAL)
+ #define MFD_NOEXEC_SEAL 0
+#endif
+
 static void
 buffer_destroy(struct buffer *buf)
 {