diff --git a/core/Makefile b/core/Makefile
index e11dd02c66..f36e2f10e1 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -2960,7 +2960,7 @@ OTATOOLS :=  $(HOST_OUT_EXECUTABLES)/minigzip \
   $(HOST_OUT_JAVA_LIBRARIES)/BootSignature.jar \
   $(HOST_OUT_JAVA_LIBRARIES)/VeritySigner.jar \
   $(HOST_OUT_EXECUTABLES)/mke2fs \
-  $(HOST_OUT_EXECUTABLES)/mkuserimg_mke2fs.sh \
+  $(HOST_OUT_EXECUTABLES)/mkuserimg_mke2fs \
   $(HOST_OUT_EXECUTABLES)/e2fsdroid \
   $(HOST_OUT_EXECUTABLES)/mksquashfsimage.sh \
   $(HOST_OUT_EXECUTABLES)/mksquashfs \
diff --git a/core/config.mk b/core/config.mk
index 5c4136a5d7..feba92a246 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -674,7 +674,7 @@ endif
 APICHECK := $(HOST_OUT_EXECUTABLES)/apicheck$(HOST_EXECUTABLE_SUFFIX)
 FS_GET_STATS := $(HOST_OUT_EXECUTABLES)/fs_get_stats$(HOST_EXECUTABLE_SUFFIX)
 MAKE_EXT4FS := $(HOST_OUT_EXECUTABLES)/mke2fs$(HOST_EXECUTABLE_SUFFIX)
-MKEXTUSERIMG := $(HOST_OUT_EXECUTABLES)/mkuserimg_mke2fs.sh
+MKEXTUSERIMG := $(HOST_OUT_EXECUTABLES)/mkuserimg_mke2fs
 MKE2FS_CONF := system/extras/ext4_utils/mke2fs.conf
 BLK_ALLOC_TO_BASE_FS := $(HOST_OUT_EXECUTABLES)/blk_alloc_to_base_fs$(HOST_EXECUTABLE_SUFFIX)
 MAKE_SQUASHFS := $(HOST_OUT_EXECUTABLES)/mksquashfs$(HOST_EXECUTABLE_SUFFIX)
diff --git a/tools/releasetools/build_image.py b/tools/releasetools/build_image.py
index 3e159a6c8f..3fa3225146 100755
--- a/tools/releasetools/build_image.py
+++ b/tools/releasetools/build_image.py
@@ -625,7 +625,7 @@ def BuildImage(in_dir, prop_dict, out_file, target_out=None):
     if "flash_logical_block_size" in prop_dict:
       build_command.extend(["-o", prop_dict["flash_logical_block_size"]])
     # Specify UUID and hash_seed if using mke2fs.
-    if prop_dict["ext_mkuserimg"] == "mkuserimg_mke2fs.sh":
+    if prop_dict["ext_mkuserimg"] == "mkuserimg_mke2fs":
       if "uuid" in prop_dict:
         build_command.extend(["-U", prop_dict["uuid"]])
       if "hash_seed" in prop_dict:
diff --git a/tools/releasetools/test_build_image.py b/tools/releasetools/test_build_image.py
index c91d00deab..40a7c8574f 100644
--- a/tools/releasetools/test_build_image.py
+++ b/tools/releasetools/test_build_image.py
@@ -77,7 +77,7 @@ class BuildImageTest(unittest.TestCase):
     """Tests the result parsing from actual call to mke2fs."""
     input_dir = common.MakeTempDir()
     output_image = common.MakeTempFile(suffix='.img')
-    command = ['mkuserimg_mke2fs.sh', input_dir, output_image, 'ext4',
+    command = ['mkuserimg_mke2fs', input_dir, output_image, 'ext4',
                '/system', '409600', '-j', '0']
     ext4fs_output, exit_code = RunCommand(command)
     self.assertEqual(0, exit_code)
diff --git a/tools/releasetools/test_validate_target_files.py b/tools/releasetools/test_validate_target_files.py
index d62ea95a4b..3ba89a1391 100644
--- a/tools/releasetools/test_validate_target_files.py
+++ b/tools/releasetools/test_validate_target_files.py
@@ -121,13 +121,13 @@ class ValidateTargetFilesTest(unittest.TestCase):
 
     # Use an empty root directory.
     system_root = common.MakeTempDir()
-    cmd = ['mkuserimg_mke2fs.sh', '-s', system_root, output_file, 'ext4',
+    cmd = ['mkuserimg_mke2fs', '-s', system_root, output_file, 'ext4',
            '/system', str(adjusted_size), '-j', '0']
     proc = common.Run(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
     stdoutdata, _ = proc.communicate()
     self.assertEqual(
         0, proc.returncode,
-        "Failed to create system image with mkuserimg_mke2fs.sh: {}".format(
+        "Failed to create system image with mkuserimg_mke2fs: {}".format(
             stdoutdata))
 
     # Append the verity metadata.