diff --git a/scripts/sync-ggml-am.sh b/scripts/sync-ggml-am.sh
index d0d721f4..83b886b9 100755
--- a/scripts/sync-ggml-am.sh
+++ b/scripts/sync-ggml-am.sh
@@ -107,7 +107,7 @@ if [ -f $SRC_WHISPER/ggml-src.patch ]; then
     # src/ggml-aarch64.h      -> ggml/src/ggml-aarch64.h
     # src/ggml-alloc.c        -> ggml/src/ggml-alloc.c
     # src/ggml-backend-impl.h -> ggml/src/ggml-backend-impl.h
-    # src/ggml-backend.c      -> ggml/src/ggml-backend.c
+    # src/ggml-backend.cpp    -> ggml/src/ggml-backend.cpp
     # src/ggml-blas.cpp       -> ggml/src/ggml-blas.cpp
     # src/ggml-cann/*         -> ggml/src/ggml-cann/
     # src/ggml-cann.cpp       -> ggml/src/ggml-cann.cpp
@@ -155,7 +155,7 @@ if [ -f $SRC_WHISPER/ggml-src.patch ]; then
         -e 's/(^[[:space:]]|[ab]\/)src\/ggml-aarch64\.h/\1ggml\/src\/ggml-aarch64.h/g' \
         -e 's/(^[[:space:]]|[ab]\/)src\/ggml-alloc\.c/\1ggml\/src\/ggml-alloc.c/g' \
         -e 's/(^[[:space:]]|[ab]\/)src\/ggml-backend-impl\.h/\1ggml\/src\/ggml-backend-impl.h/g' \
-        -e 's/(^[[:space:]]|[ab]\/)src\/ggml-backend\.c/\1ggml\/src\/ggml-backend.c/g' \
+        -e 's/(^[[:space:]]|[ab]\/)src\/ggml-backend\.cpp/\1ggml\/src\/ggml-backend.cpp/g' \
         -e 's/(^[[:space:]]|[ab]\/)src\/ggml-blas\.cpp/\1ggml\/src\/ggml-blas.cpp/g' \
         -e 's/(^[[:space:]]|[ab]\/)src\/ggml-cann\//\1ggml\/src\/ggml-cann\//g' \
         -e 's/(^[[:space:]]|[ab]\/)src\/ggml-cann\.cpp/\1ggml\/src\/ggml-cann.cpp/g' \
diff --git a/scripts/sync-ggml.sh b/scripts/sync-ggml.sh
index 2a8705ba..1552577b 100755
--- a/scripts/sync-ggml.sh
+++ b/scripts/sync-ggml.sh
@@ -9,7 +9,7 @@ cp -rpv ../ggml/src/ggml-aarch64.c      ./ggml/src/ggml-aarch64.c
 cp -rpv ../ggml/src/ggml-aarch64.h      ./ggml/src/ggml-aarch64.h
 cp -rpv ../ggml/src/ggml-alloc.c        ./ggml/src/ggml-alloc.c
 cp -rpv ../ggml/src/ggml-backend-impl.h ./ggml/src/ggml-backend-impl.h
-cp -rpv ../ggml/src/ggml-backend.c      ./ggml/src/ggml-backend.c
+cp -rpv ../ggml/src/ggml-backend.cpp    ./ggml/src/ggml-backend.cpp
 cp -rpv ../ggml/src/ggml-blas.cpp       ./ggml/src/ggml-blas.cpp
 cp -rpv ../ggml/src/ggml-cann/*         ./ggml/src/ggml-cann/
 cp -rpv ../ggml/src/ggml-cann.cpp       ./ggml/src/ggml-cann.cpp