diff --git a/tools/mfd_aes_brute/Makefile b/tools/mfd_aes_brute/Makefile
index cff2a1d40..968610723 100644
--- a/tools/mfd_aes_brute/Makefile
+++ b/tools/mfd_aes_brute/Makefile
@@ -22,8 +22,12 @@ ifneq (,$(findstring MINGW,$(platform)))
 endif
 
 # OS X needs linking to openssl
-ifeq ($(platform),Darwin)
-    MYLDFLAGS += -L/usr/local/opt/openssl@3/lib
+ifeq ($(USE_BREW),1)
+    MYLDFLAGS += -L$(BREW_PREFIX)/opt/openssl@3/lib -L$(BREW_PREFIX)/opt/openssl@1.1/lib
+endif
+
+ifeq ($(USE_MACPORTS),1)
+    MYLDFLAGS += -L$(MACPORTS_PREFIX)/lib/openssl-3 -L$(MACPORTS_PREFIX)/lib/openssl-1.1
 endif
 
 brute_key : $(OBJDIR)/brute_key.o $(MYOBJS)
diff --git a/tools/mfd_aes_brute/mfd_aes_brute.c b/tools/mfd_aes_brute/mfd_aes_brute.c
index 4e39ea93f..b6984e307 100644
--- a/tools/mfd_aes_brute/mfd_aes_brute.c
+++ b/tools/mfd_aes_brute/mfd_aes_brute.c
@@ -18,7 +18,7 @@
 
 #define __STDC_FORMAT_MACROS
 
-#if !defined(_WIN32)
+#if !defined(_WIN32) && !defined(__APPLE__)
     #define _POSIX_C_SOURCE 200112L  // need localtime_r()
 #endif