diff --git a/configure.ac b/configure.ac
index 44ab43a4664..30f5d2caeaa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4236,10 +4236,10 @@ AC_CONFIG_FILES([Makefile
                  hl/fortran/examples/Makefile
                  hl/fortran/examples/run-hlfortran-ex.sh])
 
-AC_CONFIG_FILES([utils/subfiling_vfd/h5fuse.sh], [chmod +x utils/subfiling_vfd/h5fuse.sh])
+AC_CONFIG_FILES([utils/subfiling_vfd/h5fuse], [chmod +x utils/subfiling_vfd/h5fuse])
 if test -n "$TESTPARALLEL"; then
   if test "X$SUBFILING_VFD" = "Xyes"; then
-    AC_CONFIG_LINKS([testpar/h5fuse.sh:utils/subfiling_vfd/h5fuse.sh])
+    AC_CONFIG_LINKS([testpar/h5fuse:utils/subfiling_vfd/h5fuse])
   fi
 fi
 
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt
index 5dd36ea101c..5e853783f8a 100644
--- a/release_docs/RELEASE.txt
+++ b/release_docs/RELEASE.txt
@@ -920,6 +920,12 @@ Bug Fixes since HDF5-1.14.0 release
 
     Tools
     -----
+
+    - Renamed h5fuse.sh to h5fuse
+
+      Addresses Discussion #3791
+
+
     - Fixed an issue with unmatched MPI messages in ph5diff
 
       The "manager" MPI rank in ph5diff was unintentionally sending "program end"
diff --git a/testpar/t_subfiling_vfd.c b/testpar/t_subfiling_vfd.c
index 72613a3bef1..45cb363fd6a 100644
--- a/testpar/t_subfiling_vfd.c
+++ b/testpar/t_subfiling_vfd.c
@@ -1898,7 +1898,7 @@ test_subfiling_h5fuse(void)
     if (MAINPROCESS) {
         FILE *h5fuse_script;
 
-        h5fuse_script = fopen("h5fuse.sh", "r");
+        h5fuse_script = fopen("h5fuse", "r");
         if (h5fuse_script)
             fclose(h5fuse_script);
         else
@@ -2014,7 +2014,7 @@ test_subfiling_h5fuse(void)
                      SUBF_FILENAME, file_inode);
 
             args[0] = strdup("env");
-            args[1] = strdup("./h5fuse.sh");
+            args[1] = strdup("./h5fuse");
             args[2] = strdup("-q");
             args[3] = strdup("-f");
             args[4] = tmp_filename;
diff --git a/utils/Makefile.am b/utils/Makefile.am
index 229712e6aaf..740f5c36fbf 100644
--- a/utils/Makefile.am
+++ b/utils/Makefile.am
@@ -41,6 +41,6 @@ endif
 # All subdirectories
 SUBDIRS=$(MIRROR_VFD_DIR) $(TESTUTIL_DIR) $(TOOLS_DIR)
 
-bin_SCRIPTS = subfiling_vfd/h5fuse.sh
+bin_SCRIPTS = subfiling_vfd/h5fuse
 
 include $(top_srcdir)/config/conclude.am
diff --git a/utils/subfiling_vfd/CMakeLists.txt b/utils/subfiling_vfd/CMakeLists.txt
index 3acdc6bc24f..62b62557a27 100644
--- a/utils/subfiling_vfd/CMakeLists.txt
+++ b/utils/subfiling_vfd/CMakeLists.txt
@@ -1,20 +1,20 @@
 cmake_minimum_required (VERSION 3.18)
 project (HDF5_UTILS_SUBFILINGVFD C)
 
-configure_file (${HDF5_UTILS_SUBFILINGVFD_SOURCE_DIR}/h5fuse.sh.in ${HDF5_UTILS_SUBFILINGVFD_BINARY_DIR}/h5fuse.sh @ONLY)
+configure_file (${HDF5_UTILS_SUBFILINGVFD_SOURCE_DIR}/h5fuse.in ${HDF5_UTILS_SUBFILINGVFD_BINARY_DIR}/h5fuse @ONLY)
 
-# Copy h5fuse.sh to testpar directory for subfiling tests
+# Copy h5fuse to testpar directory for subfiling tests
 if (HDF5_ENABLE_PARALLEL AND HDF5_TEST_PARALLEL)
   file (
     COPY
-    ${HDF5_UTILS_SUBFILINGVFD_BINARY_DIR}/h5fuse.sh
+    ${HDF5_UTILS_SUBFILINGVFD_BINARY_DIR}/h5fuse
     DESTINATION
     ${HDF5_TEST_PAR_BINARY_DIR}
   )
 endif ()
 
 install (
-    FILES ${HDF5_UTILS_SUBFILINGVFD_BINARY_DIR}/h5fuse.sh
+    FILES ${HDF5_UTILS_SUBFILINGVFD_BINARY_DIR}/h5fuse
     DESTINATION ${HDF5_INSTALL_BIN_DIR}
     PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
     COMPONENT utilsapplications
diff --git a/utils/subfiling_vfd/h5fuse.sh.in b/utils/subfiling_vfd/h5fuse.in
similarity index 98%
rename from utils/subfiling_vfd/h5fuse.sh.in
rename to utils/subfiling_vfd/h5fuse.in
index 6f4bf619bbe..a4c6a053cc0 100755
--- a/utils/subfiling_vfd/h5fuse.sh.in
+++ b/utils/subfiling_vfd/h5fuse.in
@@ -26,11 +26,11 @@ function usage {
          configuration file either as a command-line argument or the script will
          search for the *.config file in the current directory."
    echo ""
-   echo "usage: h5fuse.sh [-f filename] [-h] [-p] [-q] [-r] [-v] "
+   echo "usage: h5fuse [-f filename] [-h] [-p] [-q] [-r] [-v] "
    echo "-f filename  Subfile configuration file."
    echo "-h           Print this help."
    echo "-q           Quiet all output. [no]"
-   echo "-p           h5fuse.sh is being run in parallel, with more than one rank. [no]"
+   echo "-p           h5fuse is being run in parallel, with more than one rank. [no]"
    echo "-r           Remove subfiles after being processed. [no]"
    echo "-v           Verbose output. [no]"
    echo ""