2 files changed, 2 insertions, 2 deletions
diff --git a/libmaple/stm32f1/adc.c b/libmaple/stm32f1/adc.c
index 06c2d30..794c5c8 100644
--- a/libmaple/stm32f1/adc.c
+++ b/libmaple/stm32f1/adc.c
@@ -54,7 +54,7 @@ static adc_dev adc2 = {
 const adc_dev *ADC2 = &adc2;
 
 #if defined(STM32_HIGH_DENSITY) || defined(STM32_XL_DENSITY)
-adc_dev adc3 = {
+static adc_dev adc3 = {
     .regs   = ADC3_BASE,
     .clk_id = RCC_ADC3,
 };
diff --git a/libmaple/stm32f2/adc.c b/libmaple/stm32f2/adc.c
index fbe1618..a4c227e 100644
--- a/libmaple/stm32f2/adc.c
+++ b/libmaple/stm32f2/adc.c
@@ -50,7 +50,7 @@ static adc_dev adc2 = {
 /** ADC2 device. */
 const adc_dev *ADC2 = &adc2;
 
-adc_dev adc3 = {
+static adc_dev adc3 = {
     .regs   = ADC3_BASE,
     .clk_id = RCC_ADC3,
 };