diff --git a/c/Makefile b/c/Makefile
index 51b559a..fba1125 100644
--- a/c/Makefile
+++ b/c/Makefile
@@ -22,6 +22,19 @@
 # 
 
 
+ifeq ($(OS),Windows_NT)     # is Windows_NT on XP, 2000, 7, Vista, 10...
+ detected_OS := Windows
+else
+ detected_OS := $(strip $(shell uname))
+endif
+
+ifeq ($(detected_OS),Darwin)
+  ifeq ("$(shell sysctl -nq hw.optional.arm64)","1")
+    # Building on M1 is still not supported, so in the meantime we crosscompile to amd64
+    CFLAGS += -target x86_64-apple-macos10.12
+  endif
+endif
+
 # ---- Configuration options ----
 
 # External/implicit variables: