diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index e9118077581..0df936aed17 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -1 +1 @@
-obj-$(CONFIG_I2C_DW) += i2c-dw.o i2c_static_irq_stubs.o
+obj-$(CONFIG_I2C_DW) += i2c_dw.o i2c_static_irq_stubs.o
diff --git a/drivers/i2c/i2c-dw.c b/drivers/i2c/i2c_dw.c
similarity index 99%
rename from drivers/i2c/i2c-dw.c
rename to drivers/i2c/i2c_dw.c
index 82ccffae43d..c01c7fefe63 100644
--- a/drivers/i2c/i2c-dw.c
+++ b/drivers/i2c/i2c_dw.c
@@ -33,8 +33,8 @@
 #include <shared_irq.h>
 #endif
 
-#include "i2c-dw.h"
-#include "i2c-dw-registers.h"
+#include "i2c_dw.h"
+#include "i2c_dw_registers.h"
 
 #ifndef CONFIG_I2C_DEBUG
 #define DBG(...) {;}
diff --git a/drivers/i2c/i2c-dw.h b/drivers/i2c/i2c_dw.h
similarity index 100%
rename from drivers/i2c/i2c-dw.h
rename to drivers/i2c/i2c_dw.h
diff --git a/drivers/i2c/i2c-dw-registers.h b/drivers/i2c/i2c_dw_registers.h
similarity index 100%
rename from drivers/i2c/i2c-dw-registers.h
rename to drivers/i2c/i2c_dw_registers.h