diff --git a/meta-arm/recipes-security/optee-ftpm/optee-os_%.bbappend b/meta-arm/recipes-security/optee-ftpm/optee-os_%.bbappend
index 4829bc10..31be0e8f 100644
--- a/meta-arm/recipes-security/optee-ftpm/optee-os_%.bbappend
+++ b/meta-arm/recipes-security/optee-ftpm/optee-os_%.bbappend
@@ -1,15 +1,11 @@
 FTPM_UUID="bc50d971-d4c9-42c4-82cb-343fb7f37896"
 
 DEPENDS:append = "\
-                  ${@bb.utils.contains('MACHINE_FEATURES', \
-                 'optee-ftpm', \
-                 'optee-ftpm', \
-                 '' , \
-                 d)}"
+    ${@bb.utils.contains('MACHINE_FEATURES', 'optee-ftpm', 'optee-ftpm', '' , d)} \
+"
 
 EXTRA_OEMAKE:append = "\
-                       ${@bb.utils.contains('MACHINE_FEATURES', \
-                      'optee-ftpm', \
-                      'CFG_EARLY_TA=y EARLY_TA_PATHS="${STAGING_DIR_TARGET}/${base_libdir}/optee_armtz/${FTPM_UUID}.stripped.elf"', \
-                      '', \
-                      d)} "
+    ${@bb.utils.contains('MACHINE_FEATURES', 'optee-ftpm', \
+        'CFG_CORE_HEAP_SIZE=131072 CFG_EARLY_TA=y EARLY_TA_PATHS="${STAGING_DIR_TARGET}/${base_libdir}/optee_armtz/${FTPM_UUID}.stripped.elf"', \
+        '', d)} \
+"