diff --git a/drivers/mci/imx-esdhc.c b/drivers/mci/imx-esdhc.c
index 141d715..55e8371 100644
--- a/drivers/mci/imx-esdhc.c
+++ b/drivers/mci/imx-esdhc.c
@@ -454,7 +454,7 @@
 			SYSCTL_CLOCK_MASK, clk);
 
 	wait_on_timeout(10 * MSECOND,
-			!(esdhc_read32(regs + SDHCI_PRESENT_STATE) & PRSSTAT_SDSTB));
+			esdhc_read32(regs + SDHCI_PRESENT_STATE) & PRSSTAT_SDSTB);
 
 	clk = SYSCTL_PEREN | SYSCTL_CKEN;