diff --git a/include/cescal/log.h b/include/cescal/log.h
index efa8dfe..91524c5 100644
--- a/include/cescal/log.h
+++ b/include/cescal/log.h
@@ -9,8 +9,8 @@
 #include <stdio.h>
 
 #define cc_trace(fmt, ...) \
-    printf("[\033[34;40mtrace\033[0m]: ", ##__VA_ARGS__)
+    printf("[\033[34;40mtrace\033[0m]: " fmt, ##__VA_ARGS__)
 #define cc_error(fmt, ...) \
-    printf("[\033[31;40merror\033[0m]: ", ##__VA_ARGS__)
+    printf("[\033[31;40merror\033[0m]: " fmt, ##__VA_ARGS__)
 
 #endif  /* !CESCAL_LOG_H */