1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c
index b5a3bc33e167..075dcf9802f0 100644
--- a/drivers/ide/pci/alim15x3.c
+++ b/drivers/ide/pci/alim15x3.c
@@ -294,7 +294,7 @@ static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio)
         int s_time, a_time, c_time;
         u8 s_clc, a_clc, r_clc;
         unsigned long flags;
-        int bus_speed = system_bus_clock();
+        int bus_speed = ide_pci_clk ? ide_pci_clk : system_bus_clock();
         int port = hwif->channel ? 0x5c : 0x58;
         int portFIFO = hwif->channel ? 0x55 : 0x54;
         u8 cd_dma_fifo = 0;