diff --git a/test/113_accept_jinja_alt.bats b/test/113_accept_jinja_alt.bats
index 7d7e259..0847ea9 100644
--- a/test/113_accept_jinja_alt.bats
+++ b/test/113_accept_jinja_alt.bats
@@ -86,7 +86,7 @@ function test_alt() {
 @test "Command 'alt' (envtpl missing)" {
   echo "
     When the command 'alt' is provided
-    and file matches ##yadm_tmpl
+    and file matches ##yadm.j2
     Report jinja template as unprocessed
     Exit with 0
   "
@@ -110,7 +110,7 @@ function test_alt() {
 @test "Command 'alt' (select jinja)" {
   echo "
     When the command 'alt' is provided
-    and file matches ##yadm_tmpl
+    and file matches ##yadm.j2
     Report jinja template processing
     Verify that the correct content is written
     Exit with 0
@@ -123,7 +123,7 @@ function test_alt() {
   echo "
     When a command possibly changes the repo
     and auto-alt is configured true
-    and file matches ##yadm_tmpl
+    and file matches ##yadm.j2
     automatically process alternates
     report no linking (not loud)
     Verify that the correct content is written
@@ -136,7 +136,7 @@ function test_alt() {
   echo "
     When a command possibly changes the repo
     and auto-alt is configured false
-    and file matches ##yadm_tmpl
+    and file matches ##yadm.j2
     Report no jinja template processing
     Verify no content
   "
@@ -147,7 +147,7 @@ function test_alt() {
 @test "Command 'alt' (overwrite existing content)" {
   echo "
     When the command 'alt' is provided
-    and file matches ##yadm_tmpl
+    and file matches ##yadm.j2
     and the real file exists, and is wrong
     Report jinja template processing
     Verify that the correct content is written
@@ -160,7 +160,7 @@ function test_alt() {
 @test "Command 'alt' (overwritten settings)" {
   echo "
     When the command 'alt' is provided
-    and file matches ##yadm_tmpl
+    and file matches ##yadm.j2
     after setting local.*
     Report jinja template processing
     Verify that the correct content is written
diff --git a/test/common.bash b/test/common.bash
index c3360ee..5670ed0 100644
--- a/test/common.bash
+++ b/test/common.bash
@@ -202,7 +202,7 @@ function create_worktree() {
       make_parents "$DIR_WORKTREE/$f"
       echo "$f" > "$DIR_WORKTREE/$f"
     done
-    echo "{{ YADM_CLASS }}-{{ YADM_OS }}-{{ YADM_HOSTNAME }}-{{ YADM_USER }}" > "$DIR_WORKTREE/alt-jinja##yadm_tmpl"
+    echo "{{ YADM_CLASS }}-{{ YADM_OS }}-{{ YADM_HOSTNAME }}-{{ YADM_USER }}" > "$DIR_WORKTREE/alt-jinja##yadm.j2"
   fi
 
 
diff --git a/yadm b/yadm
index 07652d0..76a6e44 100755
--- a/yadm
+++ b/yadm
@@ -197,9 +197,9 @@ function alt() {
   done
 
   #; loop over all "tracked" files
-  #; for every file which is a *##yadm_tmpl create a real file
+  #; for every file which is a *##yadm.j2 create a real file
   local IFS=$'\n'
-  local match="^(.+)##yadm_tmpl$"
+  local match="^(.+)##yadm\\.j2$"
   for tracked_file in $("$GIT_PROGRAM" ls-files | sort) $(cat "$YADM_ENCRYPT" 2>/dev/null); do
     tracked_file="$YADM_WORK/$tracked_file"
     if [ -e "$tracked_file" ] ; then
diff --git a/yadm.1 b/yadm.1
index cc0c432..1aa8ff1 100644
--- a/yadm.1
+++ b/yadm.1
@@ -502,7 +502,7 @@ templates will also be processed to create or overwrite real files.
 .B yadm
 will treat files ending in
 
-  ##yadm_tmpl
+  ##yadm.j2
 
 as Jinja templates. During processing, the following variables are set
 according to the rules explained in the ALTERNATES section:
@@ -513,7 +513,7 @@ according to the rules explained in the ALTERNATES section:
   YADM_USER
 
 For example, a file named
-.I whatever##yadm_tmpl
+.I whatever##yadm.j2
 with the following content
 
   {% if YADM_USER == 'harvey' -%}