diff --git a/overlay-quawks/toolchain.conf b/overlay-quawks/toolchain.conf
index 932b2b2..6fc54f6 100644
--- a/overlay-quawks/toolchain.conf
+++ b/overlay-quawks/toolchain.conf
@@ -2,3 +2,6 @@
 
 # This is needed to build the target firmware
 i686-pc-linux-gnu
+
+# This is needed to build the EC firmware
+arm-none-eabi
diff --git a/overlay-wolf/toolchain.conf b/overlay-wolf/toolchain.conf
index 932b2b2..6fc54f6 100644
--- a/overlay-wolf/toolchain.conf
+++ b/overlay-wolf/toolchain.conf
@@ -2,3 +2,6 @@
 
 # This is needed to build the target firmware
 i686-pc-linux-gnu
+
+# This is needed to build the EC firmware
+arm-none-eabi