diff --git a/meta-ti-bsp/recipes-bsp/trusted-firmware-a/trusted-firmware-a_%.bbappend b/meta-ti-bsp/recipes-bsp/trusted-firmware-a/trusted-firmware-a_%.bbappend
index 35cb9c95..5a2b4510 100644
--- a/meta-ti-bsp/recipes-bsp/trusted-firmware-a/trusted-firmware-a_%.bbappend
+++ b/meta-ti-bsp/recipes-bsp/trusted-firmware-a/trusted-firmware-a_%.bbappend
@@ -8,7 +8,7 @@ TFA_BUILD_TARGET:k3 = "all"
 TFA_INSTALL_TARGET:k3 = "bl31"
 TFA_SPD:k3 = "opteed"
 
-EXTRA_OEMAKE:append:k3 = "${@ 'K3_USART=' + d.getVar('TFA_K3_USART') if d.getVar('TFA_K3_USART') else ''}"
+EXTRA_OEMAKE:append:k3 = "${@ ' K3_USART=' + d.getVar('TFA_K3_USART') if d.getVar('TFA_K3_USART') else ''}"
 
 do_compile:append:am65xx-hs-evm() {
 	export TI_SECURE_DEV_PKG=${TI_SECURE_DEV_PKG}
diff --git a/meta-ti-bsp/recipes-security/optee/optee-os_%.bbappend b/meta-ti-bsp/recipes-security/optee/optee-os_%.bbappend
index 5af57e16..6097580f 100644
--- a/meta-ti-bsp/recipes-security/optee/optee-os_%.bbappend
+++ b/meta-ti-bsp/recipes-security/optee/optee-os_%.bbappend
@@ -1,4 +1,4 @@
-EXTRA_OEMAKE:append:k3 = "${@ 'CFG_CONSOLE_UART='+ d.getVar('OPTEE_K3_USART') if d.getVar('OPTEE_K3_USART') else ''}"
+EXTRA_OEMAKE:append:k3 = "${@ ' CFG_CONSOLE_UART='+ d.getVar('OPTEE_K3_USART') if d.getVar('OPTEE_K3_USART') else ''}"
 
 do_compile:prepend:ti-soc() {
     export TI_SECURE_DEV_PKG=${TI_SECURE_DEV_PKG}