diff --git a/configs/lpc4330-xplorer/nsh/defconfig b/configs/lpc4330-xplorer/nsh/defconfig
index 4bb270bb883..edd7406c50f 100644
--- a/configs/lpc4330-xplorer/nsh/defconfig
+++ b/configs/lpc4330-xplorer/nsh/defconfig
@@ -81,7 +81,7 @@ CONFIG_ARCH_CHIP=lpc43xx
 CONFIG_ARCH_CHIP_LPC4330FET100=y
 CONFIG_ARCH_BOARD=lpc4330-xplorer
 CONFIG_ARCH_BOARD_LPC4330_XPLORER=y
-CONFIG_BOARD_LOOPSPERMSEC=7982
+CONFIG_BOARD_LOOPSPERMSEC=7191
 CONFIG_DRAM_SIZE=(72*1024)
 CONFIG_DRAM_START=0x10080000
 CONFIG_DRAM_END=(CONFIG_DRAM_START+CONFIG_DRAM_SIZE)
diff --git a/configs/lpc4330-xplorer/ostest/defconfig b/configs/lpc4330-xplorer/ostest/defconfig
index 77467af7a45..1dca0cc37b1 100644
--- a/configs/lpc4330-xplorer/ostest/defconfig
+++ b/configs/lpc4330-xplorer/ostest/defconfig
@@ -81,7 +81,7 @@ CONFIG_ARCH_CHIP=lpc43xx
 CONFIG_ARCH_CHIP_LPC4330FET100=y
 CONFIG_ARCH_BOARD=lpc4330-xplorer
 CONFIG_ARCH_BOARD_LPC4330_XPLORER=y
-CONFIG_BOARD_LOOPSPERMSEC=7982
+CONFIG_BOARD_LOOPSPERMSEC=7191
 CONFIG_DRAM_SIZE=(72*1024)
 CONFIG_DRAM_START=0x10080000
 CONFIG_DRAM_END=(CONFIG_DRAM_START+CONFIG_DRAM_SIZE)