diff --git a/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL27Z/spi_api.c b/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL27Z/spi_api.c
index 34affdc05eb..c478db24857 100644
--- a/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL27Z/spi_api.c
+++ b/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL27Z/spi_api.c
@@ -65,7 +65,7 @@ void spi_format(spi_t *obj, int bits, int mode, int slave)
     spi_master_config_t master_config;
     spi_slave_config_t slave_config;
 
-    if ((bits != 8) || (bits != 16)) {
+    if ((bits != 8) && (bits != 16)) {
         error("Only 8bits and 16bits SPI supported");
         return;
     }
diff --git a/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL43Z/spi_api.c b/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL43Z/spi_api.c
index 34affdc05eb..c478db24857 100644
--- a/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL43Z/spi_api.c
+++ b/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KL43Z/spi_api.c
@@ -65,7 +65,7 @@ void spi_format(spi_t *obj, int bits, int mode, int slave)
     spi_master_config_t master_config;
     spi_slave_config_t slave_config;
 
-    if ((bits != 8) || (bits != 16)) {
+    if ((bits != 8) && (bits != 16)) {
         error("Only 8bits and 16bits SPI supported");
         return;
     }