diff --git a/libc/upstream-openbsd/android/include/arc4random.h b/libc/upstream-openbsd/android/include/arc4random.h
index d006045..4c4be0e 100644
--- a/libc/upstream-openbsd/android/include/arc4random.h
+++ b/libc/upstream-openbsd/android/include/arc4random.h
@@ -45,10 +45,8 @@
 #define _ARC4_ATFORK(f) pthread_atfork(NULL, NULL, (f))
 #endif
 
-static inline void
-_getentropy_fail(void)
-{
-	async_safe_fatal("getentropy failed");
+static inline void _getentropy_fail(void) {
+    async_safe_fatal("getentropy failed: %s", strerror(errno));
 }
 
 volatile sig_atomic_t _rs_forked;