diff --git a/configs/sam4l-xplained/nsh/defconfig b/configs/sam4l-xplained/nsh/defconfig
index 86e9b79447..a2c2551f77 100644
--- a/configs/sam4l-xplained/nsh/defconfig
+++ b/configs/sam4l-xplained/nsh/defconfig
@@ -203,7 +203,7 @@ CONFIG_ARCH_HAVE_RAMVECTORS=y
 #
 # Board Settings
 #
-CONFIG_BOARD_LOOPSPERMSEC=4768
+CONFIG_BOARD_LOOPSPERMSEC=3410
 # CONFIG_ARCH_CALIBRATION is not set
 CONFIG_DRAM_START=0x20000000
 CONFIG_DRAM_SIZE=32768
diff --git a/configs/sam4l-xplained/ostest/defconfig b/configs/sam4l-xplained/ostest/defconfig
index d3219b2b6e..4ef9de0a8e 100644
--- a/configs/sam4l-xplained/ostest/defconfig
+++ b/configs/sam4l-xplained/ostest/defconfig
@@ -203,7 +203,7 @@ CONFIG_ARCH_HAVE_RAMVECTORS=y
 #
 # Board Settings
 #
-CONFIG_BOARD_LOOPSPERMSEC=4768
+CONFIG_BOARD_LOOPSPERMSEC=3410
 # CONFIG_ARCH_CALIBRATION is not set
 CONFIG_DRAM_START=0x20000000
 CONFIG_DRAM_SIZE=32768