diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8ca72b9..07f06b6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,6 +12,6 @@ set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS} -g -O3")
 set(CMAKE_C_FLAGS_MIN_SIZEREL "${CMAKE_C_FLAGS} -Os")
 
 set(SRCS
-    src/Main.c)
+    src/main.c)
 
 add_executable(mmmcalc ${SRCS})
diff --git a/src/a.exe b/src/a.exe
new file mode 100755
index 0000000..c722fe0
Binary files /dev/null and b/src/a.exe differ
diff --git a/src/Main.c b/src/main.c
similarity index 100%
rename from src/Main.c
rename to src/main.c