diff --git a/src/compiler/treeifier/ast/parsers/field.cc b/src/compiler/treeifier/ast/parsers/field.cc
index d1f335f..e454884 100644
--- a/src/compiler/treeifier/ast/parsers/field.cc
+++ b/src/compiler/treeifier/ast/parsers/field.cc
@@ -7,7 +7,7 @@ bool ast::parse_field(ast_ctx_t &ctx, size_t &res_i, map_t &out) {
 
     if (!h.parse(parse_identifier, out["name"].map({}))) return false;
 
-    bool type, defval;
+    bool type = false, defval = false;
 
     h.throw_ended("Expected a colon or an equals sign.");
 
diff --git a/src/compiler/treeifier/ast/parsers/func.cc b/src/compiler/treeifier/ast/parsers/func.cc
index ca588a3..1931aa8 100644
--- a/src/compiler/treeifier/ast/parsers/func.cc
+++ b/src/compiler/treeifier/ast/parsers/func.cc
@@ -7,7 +7,7 @@ static bool parse_arg(ast_ctx_t &ctx, size_t &res_i, map_t &out) {
 
     if (!h.parse(parse_identifier, out["name"].map({}))) return false;
 
-    bool type, defval;
+    bool type = false, defval = false;
 
     h.throw_ended("Expected a colon or an equals sign.");