diff --git a/src/dscanner/analysis/trust_too_much.d b/src/dscanner/analysis/trust_too_much.d
index 84a13e1..67ce8da 100644
--- a/src/dscanner/analysis/trust_too_much.d
+++ b/src/dscanner/analysis/trust_too_much.d
@@ -61,6 +61,15 @@ public:
 		d.accept(this);
 		checkAtAttribute = oldCheckAtAttribute;
 	}
+
+	// issue #588
+	override void visit(const AliasDeclaration d)
+	{
+		const oldCheckAtAttribute = checkAtAttribute;
+		checkAtAttribute = false;
+		d.accept(this);
+		checkAtAttribute = oldCheckAtAttribute;
+	}
 }
 
 unittest
@@ -132,5 +141,9 @@ unittest
 	}
 	}c , sac);
 
+	assertAnalyzerWarnings(q{
+	alias nothrow @trusted uint F4();
+	}c , sac);
+
 	stderr.writeln("Unittest for TrustTooMuchCheck passed.");
 }