diff --git a/mongoose.c b/mongoose.c
index 41505ab0..182138d9 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -417,8 +417,8 @@ struct packed_file {
   size_t pos;
 };
 
-const char *unpack(const char *, size_t *) WEAK;
-const char *unpack(const char *path, size_t *size) {
+const char *mg_unpack(const char *, size_t *) WEAK;
+const char *mg_unpack(const char *path, size_t *size) {
   (void) path, (void) size;
   return NULL;
 }
diff --git a/src/fs.c b/src/fs.c
index 97112a84..39553bdf 100644
--- a/src/fs.c
+++ b/src/fs.c
@@ -6,8 +6,8 @@ struct packed_file {
   size_t pos;
 };
 
-const char *unpack(const char *, size_t *) WEAK;
-const char *unpack(const char *path, size_t *size) {
+const char *mg_unpack(const char *, size_t *) WEAK;
+const char *mg_unpack(const char *path, size_t *size) {
   (void) path, (void) size;
   return NULL;
 }