diff --git a/meta-nuvoton/dynamic-layers/arm-layer/recipes-security/optee/optee-os-tadevkit_3.18.0.bbappend b/meta-nuvoton/dynamic-layers/arm-layer/recipes-security/optee/optee-os-tadevkit_3.18.0.bbappend
index 778510b..e19078e 100644
--- a/meta-nuvoton/dynamic-layers/arm-layer/recipes-security/optee/optee-os-tadevkit_3.18.0.bbappend
+++ b/meta-nuvoton/dynamic-layers/arm-layer/recipes-security/optee/optee-os-tadevkit_3.18.0.bbappend
@@ -1,7 +1,7 @@
 SRC_URI:remove:npcm8xx = "git://github.com/OP-TEE/optee_os.git;branch=master;protocol=https"
 
 SRC_URI:remove:npcm8xx = " \
-    file://0006-allow-setting-sysroot-for-libgcc-lookup.patch \
+    file://0001-allow-setting-sysroot-for-libgcc-lookup.patch \
    "
 
 SRC_URI:append:npcm8xx = "git://github.com/Nuvoton-Israel/optee_os.git;branch=npcm_3_18;protocol=https"
diff --git a/meta-nuvoton/dynamic-layers/arm-layer/recipes-security/optee/optee-os_3.18.0.bbappend b/meta-nuvoton/dynamic-layers/arm-layer/recipes-security/optee/optee-os_3.18.0.bbappend
index 1cdee9e..cbcf951 100644
--- a/meta-nuvoton/dynamic-layers/arm-layer/recipes-security/optee/optee-os_3.18.0.bbappend
+++ b/meta-nuvoton/dynamic-layers/arm-layer/recipes-security/optee/optee-os_3.18.0.bbappend
@@ -1,7 +1,7 @@
 SRC_URI:remove:npcm8xx = "git://github.com/OP-TEE/optee_os.git;branch=master;protocol=https"
 
 SRC_URI:remove:npcm8xx = " \
-    file://0006-allow-setting-sysroot-for-libgcc-lookup.patch \
+    file://0001-allow-setting-sysroot-for-libgcc-lookup.patch \
    "
 
 SRC_URI:append:npcm8xx = "git://github.com/Nuvoton-Israel/optee_os.git;branch=npcm_3_18;protocol=https"