diff --git a/tools/bifcl/builtin-func.l b/tools/bifcl/builtin-func.l
index 4eb0b5fcca..93294e9f93 100644
--- a/tools/bifcl/builtin-func.l
+++ b/tools/bifcl/builtin-func.l
@@ -314,9 +314,9 @@ void finish_alternative_mode()
 // FreeBSD doesn't support LeakSanitizer
 #if defined(USING_ASAN) && !defined(__FreeBSD__)
 	#include <sanitizer/lsan_interface.h>
-	#define BIFCL_LSAN_DISABLE(x) __lsan_disable(x)
+	#define BIFCL_LSAN_DISABLE() __lsan_disable()
 #else
-	#define BIFCL_LSAN_DISABLE(x)
+	#define BIFCL_LSAN_DISABLE()
 #endif
 
 int main(int argc, char* argv[])
@@ -396,7 +396,7 @@ int main(int argc, char* argv[])
 		fprintf(fp_netvar_init, "#pragma GCC diagnostic push\n");
 		fprintf(fp_netvar_init, "#pragma GCC diagnostic ignored \"-Wdeprecated-declarations\"\n\n");
 		fprintf(fp_netvar_init, "#endif\n");
-		
+
 		yy_switch_to_buffer(yy_create_buffer(fp_input, YY_BUF_SIZE));
 		yyparse();