diff --git a/boards/common/esp8266/include/periph_conf_common.h b/boards/common/esp8266/include/periph_conf_common.h
index a2b030dea8..7f90e018d5 100644
--- a/boards/common/esp8266/include/periph_conf_common.h
+++ b/boards/common/esp8266/include/periph_conf_common.h
@@ -193,13 +193,13 @@ static const spi_conf_t spi_config[] = {
 
 /* software timer */
 #define TIMER_NUMOF         (1U)    /**< number of timer devices */
-#define TIMER_CHANNELS      (10U)   /**< number of channels per timer device */
+#define TIMER_CHANNEL_NUMOF (10U)   /**< number of channels per timer device */
 
 #else /* MODULE_ESP_SW_TIMER */
 
 /* hardware timer */
 #define TIMER_NUMOF         (1U)    /**< number of timer devices */
-#define TIMER_CHANNELS      (1U)    /**< number of channels per timer device */
+#define TIMER_CHANNEL_NUMOF (1U)    /**< number of channels per timer device */
 
 #endif /* MODULE_ESP_SW_TIMER */
 /** @} */
diff --git a/cpu/esp32/include/periph_cpu.h b/cpu/esp32/include/periph_cpu.h
index b70c2ace93..a690eed7b5 100644
--- a/cpu/esp32/include/periph_cpu.h
+++ b/cpu/esp32/include/periph_cpu.h
@@ -506,12 +506,12 @@ typedef struct {
  */
 #ifdef MODULE_ESP_HW_COUNTER
 /** hardware ccount/ccompare registers are used for timer implementation */
-#define TIMER_NUMOF     (2)
-#define TIMER_CHANNELS  (1)
+#define TIMER_NUMOF         (2)
+#define TIMER_CHANNEL_NUMOF (1)
 #else
 /** hardware timer modules are used for timer implementation (default) */
-#define TIMER_NUMOF     (3)
-#define TIMER_CHANNELS  (1)
+#define TIMER_NUMOF         (3)
+#define TIMER_CHANNEL_NUMOF (1)
 #endif
 
 /** Timer used for system time */