diff --git a/spec/runtime/arithmetic_spec.cpp b/spec/runtime/arithmetic_spec.cpp
index e2449965..45fb64ef 100644
--- a/spec/runtime/arithmetic_spec.cpp
+++ b/spec/runtime/arithmetic_spec.cpp
@@ -20,7 +20,7 @@ describe("arithmetic", []() {
 
     it("parses products of variables", [&]() {
         TSDocumentSetText(document, "x*y");
-        AssertThat(string(TSDocumentToString(document)), Equals("(expression (term (factor (number)) (factor (number)))"));
+        AssertThat(string(TSDocumentToString(document)), Equals("(expression (term (factor (variable)) (3) (factor (variable))))"));
     });
 });
 
diff --git a/src/runtime/parser.cpp b/src/runtime/parser.cpp
index aaab2a99..16c620cd 100644
--- a/src/runtime/parser.cpp
+++ b/src/runtime/parser.cpp
@@ -9,15 +9,13 @@ using std::to_string;
 #define TS_DEBUG_LEX
 
 #ifdef TS_DEBUG_LEX
-#define DEBUG_LEX(...) \
-fprintf(stderr, __VA_ARGS__)
+#define DEBUG_LEX(...) fprintf(stderr, __VA_ARGS__)
 #else
 #define DEBUG_LEX(...)
 #endif
 
 #ifdef TS_DEBUG_PARSE
-#define DEBUG_PARSE(...) \
-fprintf(stderr, __VA_ARGS__)
+#define DEBUG_PARSE(...) fprintf(stderr, __VA_ARGS__)
 #else
 #define DEBUG_PARSE(...)
 #endif