diff --git a/c/src/exec/libfs/src/imfs/imfs_handlers_memfile.c b/c/src/exec/libfs/src/imfs/imfs_handlers_memfile.c
index 20ef3c57b3..0e2566841b 100644
--- a/c/src/exec/libfs/src/imfs/imfs_handlers_memfile.c
+++ b/c/src/exec/libfs/src/imfs/imfs_handlers_memfile.c
@@ -31,7 +31,7 @@ rtems_filesystem_file_handlers_r IMFS_memfile_handlers = {
   IMFS_fchmod,
   memfile_ftruncate,
   NULL,                /* fpathconf */
-  NULL,                /* fsync */
+  IMFS_fdatasync,      /* fsync */
   IMFS_fdatasync,
   IMFS_fcntl,
   memfile_rmnod
diff --git a/c/src/lib/libc/imfs_handlers_memfile.c b/c/src/lib/libc/imfs_handlers_memfile.c
index 20ef3c57b3..0e2566841b 100644
--- a/c/src/lib/libc/imfs_handlers_memfile.c
+++ b/c/src/lib/libc/imfs_handlers_memfile.c
@@ -31,7 +31,7 @@ rtems_filesystem_file_handlers_r IMFS_memfile_handlers = {
   IMFS_fchmod,
   memfile_ftruncate,
   NULL,                /* fpathconf */
-  NULL,                /* fsync */
+  IMFS_fdatasync,      /* fsync */
   IMFS_fdatasync,
   IMFS_fcntl,
   memfile_rmnod
diff --git a/c/src/libfs/src/imfs/imfs_handlers_memfile.c b/c/src/libfs/src/imfs/imfs_handlers_memfile.c
index 20ef3c57b3..0e2566841b 100644
--- a/c/src/libfs/src/imfs/imfs_handlers_memfile.c
+++ b/c/src/libfs/src/imfs/imfs_handlers_memfile.c
@@ -31,7 +31,7 @@ rtems_filesystem_file_handlers_r IMFS_memfile_handlers = {
   IMFS_fchmod,
   memfile_ftruncate,
   NULL,                /* fpathconf */
-  NULL,                /* fsync */
+  IMFS_fdatasync,      /* fsync */
   IMFS_fdatasync,
   IMFS_fcntl,
   memfile_rmnod
diff --git a/cpukit/libfs/src/imfs/imfs_handlers_memfile.c b/cpukit/libfs/src/imfs/imfs_handlers_memfile.c
index 20ef3c57b3..0e2566841b 100644
--- a/cpukit/libfs/src/imfs/imfs_handlers_memfile.c
+++ b/cpukit/libfs/src/imfs/imfs_handlers_memfile.c
@@ -31,7 +31,7 @@ rtems_filesystem_file_handlers_r IMFS_memfile_handlers = {
   IMFS_fchmod,
   memfile_ftruncate,
   NULL,                /* fpathconf */
-  NULL,                /* fsync */
+  IMFS_fdatasync,      /* fsync */
   IMFS_fdatasync,
   IMFS_fcntl,
   memfile_rmnod