diff --git a/src/linter/regex_patterns.rs b/src/linter/regex_patterns.rs
index aca7968..ef3e439 100644
--- a/src/linter/regex_patterns.rs
+++ b/src/linter/regex_patterns.rs
@@ -11,7 +11,7 @@ macro_rules! static_regex {
 }
 
 static_regex!(SNAKE_CASE, r"^[a-z][a-z0-9_]*$");
-static_regex!(PRIVATE_SNAKE_CASE, r"^_[a-z][a-z0-9_]*$");
+static_regex!(PRIVATE_SNAKE_CASE, r"^_+[a-z][a-z0-9_]*$");
 static_regex!(PASCAL_CASE, r"^[A-Z][a-zA-Z0-9]*$");
 static_regex!(CONSTANT_CASE, r"^[A-Z][A-Z0-9_]*$");
-static_regex!(PRIVATE_CONSTANT_CASE, r"^_[A-Z][A-Z0-9_]*$");
+static_regex!(PRIVATE_CONSTANT_CASE, r"^_+[A-Z][A-Z0-9_]*$");
diff --git a/src/linter/rules/signal_name.rs b/src/linter/rules/signal_name.rs
index 58ccd91..2168aaa 100644
--- a/src/linter/rules/signal_name.rs
+++ b/src/linter/rules/signal_name.rs
@@ -1,5 +1,5 @@
 use crate::linter::lib::{get_line_column, get_node_text};
-use crate::linter::regex_patterns::SNAKE_CASE;
+use crate::linter::regex_patterns::{PRIVATE_SNAKE_CASE, SNAKE_CASE};
 use crate::linter::rules::Rule;
 use crate::linter::{LintIssue, LintSeverity};
 use crate::node_kind::GDScriptNodeKind;
@@ -8,7 +8,7 @@ pub struct SignalNameRule;
 
 impl SignalNameRule {
     fn is_valid_signal_name(name: &str) -> bool {
-        SNAKE_CASE.is_match(name)
+        SNAKE_CASE.is_match(name) || PRIVATE_SNAKE_CASE.is_match(name)
     }
 }
 
diff --git a/tests/lint/expected/signal_name.txt b/tests/lint/expected/signal_name.txt
index 3ffb555..d06f321 100644
--- a/tests/lint/expected/signal_name.txt
+++ b/tests/lint/expected/signal_name.txt
@@ -1,3 +1,2 @@
-tests/lint/input/signal_name.gd:9:signal-name:error: Signal name 'BadSignal' should be in snake_case format
-tests/lint/input/signal_name.gd:10:signal-name:error: Signal name '_bad_signal' should be in snake_case format
-tests/lint/input/signal_name.gd:11:signal-name:error: Signal name 'badSignal' should be in snake_case format
\ No newline at end of file
+tests/lint/input/signal_name.gd:11:signal-name:error: Signal name 'BadSignal' should be in snake_case format
+tests/lint/input/signal_name.gd:12:signal-name:error: Signal name 'badSignal' should be in snake_case format
diff --git a/tests/lint/input/signal_name.gd b/tests/lint/input/signal_name.gd
index f5073d5..179318e 100644
--- a/tests/lint/input/signal_name.gd
+++ b/tests/lint/input/signal_name.gd
@@ -1,13 +1,14 @@
 #region Good
 
-signal good_signal(var1: int, var2: String)
+signal public_signal(var1: int, var2: String)
+signal _pseudo_private(var1: int, var2: String)
+signal __also_valid_pseudo_private(var1: int, var2: String)
 
 #endregion
 
 #region Bad
 
 signal BadSignal(var1: int, var2: String)
-signal _bad_signal(var1: int, var2: String)
 signal badSignal(var1: int, var2: String)
 
 #endregion