diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 6f3bc1a97ba8c118c57f8789d2bb3ba98933b40c..08a3cf2a7610882c3e2957a61e9318604adeeaa4 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1235,7 +1235,7 @@ int mmc_regulator_set_ocr(struct mmc_host *mmc,
 		 */
 		voltage = regulator_get_voltage(supply);
 
-		if (regulator_count_voltages(supply) == 1)
+		if (!regulator_can_change_voltage(supply))
 			min_uV = max_uV = voltage;
 
 		if (voltage < 0)