diff --git a/i2c.go b/i2c.go
index 6a5d1ec..233a0a3 100644
--- a/i2c.go
+++ b/i2c.go
@@ -66,6 +66,7 @@ func InitI2C() error {
 
 // CloseI2C releases resources associated with the I2C driver.
 func CloseI2C() error {
+	i2cDriverInitialized = false
 	return i2cDriverInstance.Close()
 }