diff --git a/compat/getentropy_osx.c b/compat/getentropy_osx.c
index a92111433..8cf46e5ef 100644
--- a/compat/getentropy_osx.c
+++ b/compat/getentropy_osx.c
@@ -76,7 +76,7 @@
 int	getentropy(void *buf, size_t len);
 
 /* referencing functions in other link modules is not portable */
-/*extern int main(int, char *argv[]);*/
+extern int main(int, char *argv[]);
 static int gotdata(char *buf, size_t len);
 static int getentropy_urandom(void *buf, size_t len);
 static int getentropy_fallback(void *buf, size_t len);
@@ -294,7 +294,7 @@ getentropy_fallback(void *buf, size_t len)
 			HX(sigprocmask(SIG_BLOCK, NULL, &sigset) == -1,
 			    sigset);
 
-			/*HF(main);*/		/* an addr in program */
+			HF(main);		/* an addr in program */
 			HF(getentropy);	/* an addr in this library */
 			HF(printf);		/* an addr in libc */
 			p = (char *)&p;