diff --git a/picard/script.py b/picard/script.py
index 254e540e5..139ce688e 100644
--- a/picard/script.py
+++ b/picard/script.py
@@ -92,18 +92,23 @@ class ScriptFunction(object):
         try:
             argnum_bound = parser.functions[name].argcount
             argcount = len(args)
-            if argnum_bound and not (argnum_bound.lower <= argcount
-                                     and (argnum_bound.upper is None
-                                          or argcount <= argnum_bound.upper)):
-                raise ScriptError(
-                    "Wrong number of arguments for $%s: Expected %s, got %i at position %i, line %i"
-                    % (name,
-                       str(argnum_bound.lower)
-                        if argnum_bound.upper is None
-                        else "%i - %i" % (argnum_bound.lower, argnum_bound.upper),
-                       argcount,
-                       parser._x,
-                       parser._y))
+            if argnum_bound:
+                too_few_args = argcount < argnum_bound.lower
+                if argnum_bound.upper is not None:
+                    if argnum_bound.lower == argnum_bound.upper:
+                        expected = "exactly %i" % argnum_bound.lower
+                    else:
+                        expected = "between %i and %i" % (argnum_bound.lower, argnum_bound.upper)
+                    too_many_args = argcount > argnum_bound.upper
+                else:
+                    expected = "at least %i" % argnum_bound.lower
+                    too_many_args = False
+
+                if too_few_args or too_many_args:
+                    raise ScriptError(
+                        "Wrong number of arguments for $%s: Expected %s, got %i at position %i, line %i"
+                        % (name, expected, argcount, parser._x, parser._y)
+                    )
         except KeyError:
             raise ScriptUnknownFunction("Unknown function '%s'" % name)
 
diff --git a/test/test_script.py b/test/test_script.py
index d3eddd5d8..e982fca51 100644
--- a/test/test_script.py
+++ b/test/test_script.py
@@ -390,6 +390,45 @@ class ScriptParserTest(PicardTestCase):
         except ScriptError:
             self.fail("Function noargs raised ScriptError unexpectedly.")
 
+    def test_cmd_with_wrong_argcount_or(self):
+        # $or() requires at least 2 arguments
+        with self.assertRaises(ScriptError):
+            self.parser.eval('$or(0)')
+        try:
+            self.parser.eval('$or(0,1)')
+        except ScriptError as why:
+            self.fail("Function raised ScriptError: %s" % why)
+        try:
+            self.parser.eval('$or(0,1,1,1,1)')
+        except ScriptError as why:
+            self.fail("Function raised ScriptError: %s" % why)
+
+    def test_cmd_with_wrong_argcount_eq(self):
+        # $eq() requires exactly 2 arguments
+        with self.assertRaises(ScriptError):
+            self.parser.eval('$eq(0)')
+        with self.assertRaises(ScriptError):
+            self.parser.eval('$eq(0,0,0)')
+        try:
+            self.parser.eval('$eq(1,1)')
+        except ScriptError as why:
+            self.fail("Function raised ScriptError: %s" % why)
+
+    def test_cmd_with_wrong_argcount_if(self):
+        # $if() requires 2 or 3 arguments
+        with self.assertRaises(ScriptError):
+            self.parser.eval('$if(1)')
+        with self.assertRaises(ScriptError):
+            self.parser.eval('$if(1,a,b,c)')
+        try:
+            self.parser.eval('$if(1,a)')
+        except ScriptError as why:
+            self.fail("Function raised ScriptError: %s" % why)
+        try:
+            self.parser.eval('$if(1,a,b)')
+        except ScriptError as why:
+            self.fail("Function raised ScriptError: %s" % why)
+
     def test_cmd_unset_simple(self):
         context = Metadata()
         context['title'] = u'Foo'