diff --git a/inc/i2c_bb.h b/inc/i2c_bb.h
index 3f4a68a..c06f49b 100644
--- a/inc/i2c_bb.h
+++ b/inc/i2c_bb.h
@@ -11,7 +11,7 @@ struct i2c_bb {
 int i2c_open(const struct i2c_bb *i2c);
 int i2c_close(const struct i2c_bb *i2c);
 
-int i2_read(const struct i2c_bb *i2c, uint8_t slave_addr, char *buffer, unsigned int len);
-int i2_write(const struct i2c_bb *i2c, uint8_t slave_addr, const char *buffer, unsigned int len);
+int i2c_read(const struct i2c_bb *i2c, uint8_t slave_addr, char *buffer, unsigned int len);
+int i2c_write(const struct i2c_bb *i2c, uint8_t slave_addr, const char *buffer, unsigned int len);
 
 #endif
diff --git a/src/i2c.c b/src/i2c.c
index 8c30fd3..8748063 100644
--- a/src/i2c.c
+++ b/src/i2c.c
@@ -40,7 +40,7 @@ int i2c_close(const struct i2c_bb *i2c)
     return res;
 }
 
-int i2_read(const struct i2c_bb *i2c, uint8_t slave_addr, char *buffer, unsigned int len)
+int i2c_read(const struct i2c_bb *i2c, uint8_t slave_addr, char *buffer, unsigned int len)
 {
     unsigned int i;
     assert(NULL != i2c);
@@ -59,7 +59,7 @@ int i2_read(const struct i2c_bb *i2c, uint8_t slave_addr, char *buffer, unsigned
     return (int)i;
 }
 
-int i2_write(const struct i2c_bb *i2c, uint8_t slave_addr, const char *buffer, unsigned int len)
+int i2c_write(const struct i2c_bb *i2c, uint8_t slave_addr, const char *buffer, unsigned int len)
 {
     unsigned int i;