diff --git a/tools/mfd_aes_brute/Makefile b/tools/mfd_aes_brute/Makefile
index 563a69121..dc1d426a9 100644
--- a/tools/mfd_aes_brute/Makefile
+++ b/tools/mfd_aes_brute/Makefile
@@ -23,6 +23,7 @@ endif
 
 # OS X needs linking to openssl
 ifeq ($(USE_BREW),1)
+    MYCFLAGS += -L$(BREW_PREFIX)/opt/openssl@3/include -L$(BREW_PREFIX)/opt/openssl@1.1/include
     MYLDFLAGS += -L$(BREW_PREFIX)/opt/openssl@3/lib -L$(BREW_PREFIX)/opt/openssl@1.1/lib
 endif