diff --git a/cmake/mimalloc-config-version.cmake b/cmake/mimalloc-config-version.cmake
index 842c733e..855c44d2 100644
--- a/cmake/mimalloc-config-version.cmake
+++ b/cmake/mimalloc-config-version.cmake
@@ -1,6 +1,6 @@
 set(mi_version_major 2)
 set(mi_version_minor 1)
-set(mi_version_patch 0)
+set(mi_version_patch 1)
 set(mi_version ${mi_version_major}.${mi_version_minor})
 
 set(PACKAGE_VERSION ${mi_version})
diff --git a/include/mimalloc.h b/include/mimalloc.h
index 1372cb3f..800cfd7e 100644
--- a/include/mimalloc.h
+++ b/include/mimalloc.h
@@ -8,7 +8,7 @@ terms of the MIT license. A copy of the license can be found in the file
 #ifndef MIMALLOC_H
 #define MIMALLOC_H
 
-#define MI_MALLOC_VERSION 210   // major + 2 digits minor
+#define MI_MALLOC_VERSION 211   // major + 2 digits minor
 
 // ------------------------------------------------------
 // Compiler specific attributes
diff --git a/src/prim/unix/prim.c b/src/prim/unix/prim.c
index 077bf820..011ffa7c 100644
--- a/src/prim/unix/prim.c
+++ b/src/prim/unix/prim.c
@@ -79,7 +79,7 @@ static int mi_prim_access(const char *fpath, int mode) {
 #elif !defined(__APPLE__)  // avoid unused warnings
 
 static int mi_prim_open(const char* fpath, int open_flags) {
-  return open(fpath,open_flags,mode);
+  return open(fpath,open_flags);
 }
 static ssize_t mi_prim_read(int fd, void* buf, size_t bufsize) {
   return read(fd,buf,bufsize);
@@ -391,7 +391,7 @@ int _mi_prim_reset(void* start, size_t size) {
     err = unix_madvise(start, size, MADV_DONTNEED);
   }
   #else
-  int err = unix_madvise(start, csize, MADV_DONTNEED);
+  int err = unix_madvise(start, size, MADV_DONTNEED);
   #endif
   return err;
 }