diff --git a/src/keycode.c b/src/keycode.c
index 86b0625..a90f81d 100644
--- a/src/keycode.c
+++ b/src/keycode.c
@@ -2,7 +2,7 @@
 
 #include <stdio.h>
 
-#if defined(__linux__) || defined(__APPLE__)
+#if defined(__linux__) || defined(__APPLE__) || defined(__MSYS__)
 // http://forum.shelek.ru/index.php/topic,9792.0.html
 
 #include <stdlib.h>
@@ -132,7 +132,7 @@ keycode()
 }
 #endif
 
-#if defined(__APPLE__)
+#if defined(__APPLE__) || defined(__MSYS__)
 
 // http://www.ai.rug.nl/vakinformatie/pas/content/Aria-manual/ArKeyHandler_8cpp-source.html
 
diff --git a/src/keycode.h b/src/keycode.h
index 89032a3..5ce4135 100644
--- a/src/keycode.h
+++ b/src/keycode.h
@@ -14,13 +14,13 @@ test_keycodes();
 
 #if defined(_WIN32)
 
-#define KEY_BS      8
-#define KEY_ENTER  13
+#define KEY_BS        8
+#define KEY_ENTER    13
 
-#elif defined(__linux__) || defined(__APPLE__)
+#elif defined(__linux__) || defined(__APPLE__) || defined(__MSYS__)
 
-#define KEY_BS    127
-#define KEY_ENTER  10
+#define KEY_BS      127
+#define KEY_ENTER    10
 
 #endif