diff --git a/tcl/target/stm32l.cfg b/tcl/target/stm32l.cfg
index 940a4e798..eea082e65 100644
--- a/tcl/target/stm32l.cfg
+++ b/tcl/target/stm32l.cfg
@@ -13,11 +13,11 @@ if { [info exists ENDIAN] } {
 }
 
 # Work-area is a space in RAM used for flash programming
-# By default use 14kB
+# By default use 10kB
 if { [info exists WORKAREASIZE] } {
    set _WORKAREASIZE $WORKAREASIZE
 } else {
-   set _WORKAREASIZE 0x3800
+   set _WORKAREASIZE 0x2800
 }
 
 # JTAG speed should be <= F_CPU/6.
diff --git a/tcl/target/stm32lx_stlink.cfg b/tcl/target/stm32lx_stlink.cfg
index ed9865d06..6bec2b58c 100644
--- a/tcl/target/stm32lx_stlink.cfg
+++ b/tcl/target/stm32lx_stlink.cfg
@@ -11,7 +11,7 @@ if { [info exists CPUTAPID] == 0 } {
 }
 
 if { [info exists WORKAREASIZE] == 0 } {
-   set WORKAREASIZE 0x3800
+   set WORKAREASIZE 0x2800
 }
 
 source [find target/stm32_stlink.cfg]