diff --git a/releasenotes.md b/releasenotes.md
index 385315ba9..b28bedccf 100644
--- a/releasenotes.md
+++ b/releasenotes.md
@@ -12,6 +12,7 @@
 - Bitstruct truncated constant error escapes `$defined` #2515.
 - Compiler segfault when accessing member of number cast to bitstruct #2516.
 - Compiler assert when getting a member of a `bitstruct : char @bigendian` #2517.
+- Incorrect visibility on local globals with public aliases. #2519
 
 ### Stdlib changes
 
diff --git a/src/compiler/sema_decls.c b/src/compiler/sema_decls.c
index 3696c219f..7875c0c95 100755
--- a/src/compiler/sema_decls.c
+++ b/src/compiler/sema_decls.c
@@ -5302,6 +5302,10 @@ static inline bool sema_analyse_alias(SemaContext *context, Decl *decl, bool *er
 	}
 	decl->type = symbol->type;
 	decl->define_decl.alias = symbol;
+	if (decl_is_externally_visible(decl) && !decl_is_externally_visible(symbol))
+	{
+		symbol->is_external_visible = true;
+	}
 	return true;
 }
 
diff --git a/test/test_suite/define/alias_visibility.c3t b/test/test_suite/define/alias_visibility.c3t
new file mode 100644
index 000000000..036aff445
--- /dev/null
+++ b/test/test_suite/define/alias_visibility.c3t
@@ -0,0 +1,20 @@
+// #target: macos-x64
+module test1;
+alias x = y;
+int y @local = 1;
+
+module test;
+import test1;
+
+fn int main(String[] args)
+{
+	return test1::x;
+}
+
+/* #expect: test1.ll
+
+@test1.y.10 = local_unnamed_addr global i32 1, align 4
+
+// #expect: test.ll
+
+@test1.y.10 = external global i32, align 4
\ No newline at end of file