diff --git a/tcl/target/efm32_stlink.cfg b/tcl/target/efm32_stlink.cfg
index 9ef4845a6..831f4f754 100644
--- a/tcl/target/efm32_stlink.cfg
+++ b/tcl/target/efm32_stlink.cfg
@@ -9,11 +9,11 @@ if { [info exists CHIPNAME] } {
 }
 
 # Work-area is a space in RAM used for flash programming
-# By default use 16kB
+# By default use 2kB
 if { [info exists WORKAREASIZE] } {
    set _WORKAREASIZE $WORKAREASIZE
 } else {
-   set _WORKAREASIZE 0x4000
+   set _WORKAREASIZE 0x800
 }
 
 if { [info exists CPUTAPID] } {