diff --git a/src/parser.cpp b/src/parser.cpp
index 1b975ed..62f61ab 100644
--- a/src/parser.cpp
+++ b/src/parser.cpp
@@ -18,7 +18,7 @@ namespace lily {
     static ast_ptr expr_tree(pgs_tree*, const char*);
 
     static ast_ptr expr_app_bottom(pgs_tree* base, const char* source) {
-        if(PGS_TREE_NT_COUNT(*base) == 2) {
+        if(PGS_TREE_NT_COUNT(*base) == 3) {
             return expr_tree(PGS_TREE_NT_CHILD(*base, 1), source);
         } else {
             pgs_tree* child = PGS_TREE_NT_CHILD(*base, 0);