diff --git a/px/px_commandline.py b/px/px_commandline.py
index 3d1b3a0..7d32c8c 100644
--- a/px/px_commandline.py
+++ b/px/px_commandline.py
@@ -284,8 +284,11 @@ def get_command(commandline: str) -> str:
             ),
         )
 
-    if command in ["bash", "sh"]:
-        return faillog(commandline, get_generic_script_command(commandline))
+    if command in ["bash", "sh", "zsh"]:
+        return faillog(
+            commandline,
+            get_generic_script_command(commandline, ignore_switches=["-p"]),
+        )
 
     if PERL_BIN.match(command):
         return faillog(commandline, get_generic_script_command(commandline))
@@ -562,9 +565,8 @@ def get_generic_script_command(
     if len(array) == 2:
         # vm + script
         return script
-    if script not in ["brew.rb", "yarn.js"]:
+    if script not in ["brew.rb", "brew.sh", "yarn.js"]:
         return script
-    script = os.path.splitext(script)[0]
 
     subcommand = array[2]
     if subcommand.startswith("-"):
diff --git a/tests/px_commandline_test.py b/tests/px_commandline_test.py
index 5d48065..4a0de2c 100644
--- a/tests/px_commandline_test.py
+++ b/tests/px_commandline_test.py
@@ -503,7 +503,7 @@ def test_get_command_ruby_switches():
         px_commandline.get_command(
             "/usr/bin/ruby -W0 /usr/local/bin/brew.rb install rust"
         )
-        == "brew install"
+        == "brew.rb install"
     )
 
     # https://github.com/walles/px/issues/87
@@ -621,7 +621,16 @@ def test_get_homebrew_commandline():
                 ]
             )
         )
-        == "brew upgrade"
+        == "brew.rb upgrade"
+    )
+
+
+def test_get_bash_brew_sh_commandline():
+    assert (
+        px_commandline.get_command(
+            "/bin/bash -p /usr/local/Homebrew/Library/Homebrew/brew.sh upgrade"
+        )
+        == "brew.sh upgrade"
     )