diff --git a/ld/devices.data b/ld/devices.data
index cfc50d48..ccda53aa 100644
--- a/ld/devices.data
+++ b/ld/devices.data
@@ -165,9 +165,9 @@ stm32l15[12]?d* stm32l1eep ROM=384K RAM=48K EEP=12K
 stm32l162?c* stm32l1eep ROM=256K RAM=32K EEP=8K
 stm32l162?d* stm32l1eep ROM=384K RAM=48K EEP=12K
 
-stm32l4?6?c* stm32l4 ROM=256K RAM=128K
-stm32l4?6?e* stm32l4 ROM=512K RAM=128K
-stm32l4?6?g* stm32l4 ROM=1024K RAM=128K
+stm32l4?6?c* stm32l4 ROM=256K RAM=96K RAM2=32K
+stm32l4?6?e* stm32l4 ROM=512K RAM=96K RAM2=32K
+stm32l4?6?g* stm32l4 ROM=1024K RAM=96K RAM2=32K
 
 stm32ts60 stm32t ROM=32K RAM=10K
 
@@ -418,7 +418,7 @@ stm32f4 END ROM_OFF=0x08000000 RAM_OFF=0x20000000 CPU=cortex-m4 FPU=hard-fpv4-sp
 stm32f7 END ROM_OFF=0x08000000 RAM_OFF=0x20010000 CPU=cortex-m7 FPU=hard-fpv5-sp-d16
 stm32l0 END ROM_OFF=0x08000000 RAM_OFF=0x20000000 CPU=cortex-m0plus FPU=soft
 stm32l1 END ROM_OFF=0x08000000 RAM_OFF=0x20000000 CPU=cortex-m3 FPU=soft
-stm32l4 END ROM_OFF=0x08000000 RAM_OFF=0x20000000 CPU=cortex-m4 FPU=hard-fpv4-sp-d16
+stm32l4 END ROM_OFF=0x08000000 RAM_OFF=0x20000000 RAM2_OFF=0x10000000 CPU=cortex-m4 FPU=hard-fpv4-sp-d16
 stm32w END ROM_OFF=0x08000000 RAM_OFF=0x20000000 CPU=cortex-m3 FPU=soft
 stm32t END ROM_OFF=0x08000000 RAM_OFF=0x20000000 CPU=cortex-m3 FPU=soft