diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/main.go b/main.go
index 36414d2..4700de6 100644
--- a/main.go
+++ b/main.go
@@ -24,6 +24,6 @@ func main() {
 	}
 
 	procSystemParamInfo := windows.NewLazyDLL("user32.dll").NewProc("SystemParametersInfoW")
-	imagePath, _ := windows.UTF16PtrFromString(string(fileBytes) + `\` + strconv.Itoa(rand.Intn(len(files))+1) + ".jpg")
+	imagePath, _ := windows.UTF16PtrFromString(string(fileBytes) + `\` + strconv.Itoa(rand.Intn(len(files)-1)+1) + ".jpg")
 	procSystemParamInfo.Call(20, 0, uintptr(unsafe.Pointer(imagePath)), 0x001A)
 }