1 files changed, 1 insertions, 0 deletions
diff --git a/Makerules b/Makerules
index 29051d8e..70a26196 100644
--- a/Makerules
+++ b/Makerules
@@ -2,6 +2,7 @@
 
 OS ?= $(shell uname)
 OS := $(OS:MINGW%=MINGW)
+OS := $(OS:MSYS%=MINGW)
 OS := $(OS:Windows_NT=MINGW)
 OS := $(OS:Darwin=MACOS)