diff --git a/include/zenoh-pico/utils/logging.h b/include/zenoh-pico/utils/logging.h
index a5ea4848b..4e65249a0 100644
--- a/include/zenoh-pico/utils/logging.h
+++ b/include/zenoh-pico/utils/logging.h
@@ -31,16 +31,19 @@ extern "C" {
 // Timestamp function
 static inline void __z_print_timestamp(void) {
     char ret[64];
-    printf("[%s ", z_time_now_as_str(ret, sizeof(ret)));
+    fprintf(stderr, "[%s ", z_time_now_as_str(ret, sizeof(ret)));
 }
 
 // Logging macros
 #define _Z_LOG_PREFIX(prefix) \
     __z_print_timestamp();    \
-    printf(#prefix " ::%s] ", __func__);
+    fprintf(stderr, #prefix " ::%s] ", __func__);
+
+#undef ZENOH_DEBUG
+#define ZENOH_DEBUG 3
 
 // Ignore print only if log deactivated and build is release
-#if ZENOH_DEBUG == 0 && !defined(Z_BUILD_DEBUG)
+#if false  // ZENOH_DEBUG == 0 && !defined(Z_BUILD_DEBUG)
 
 #define _Z_DEBUG(...) (void)(0)
 #define _Z_INFO(...) (void)(0)
@@ -52,8 +55,8 @@ static inline void __z_print_timestamp(void) {
     do {                                       \
         if (ZENOH_DEBUG >= _Z_LOG_LVL_DEBUG) { \
             _Z_LOG_PREFIX(DEBUG);              \
-            printf(__VA_ARGS__);               \
-            printf("\r\n");                    \
+            fprintf(stderr, __VA_ARGS__);      \
+            fprintf(stderr, "\r\n");           \
         }                                      \
     } while (false)
 
@@ -61,8 +64,8 @@ static inline void __z_print_timestamp(void) {
     do {                                      \
         if (ZENOH_DEBUG >= _Z_LOG_LVL_INFO) { \
             _Z_LOG_PREFIX(INFO);              \
-            printf(__VA_ARGS__);              \
-            printf("\r\n");                   \
+            fprintf(stderr, __VA_ARGS__);     \
+            fprintf(stderr, "\r\n");          \
         }                                     \
     } while (false)
 
@@ -70,8 +73,8 @@ static inline void __z_print_timestamp(void) {
     do {                                       \
         if (ZENOH_DEBUG >= _Z_LOG_LVL_ERROR) { \
             _Z_LOG_PREFIX(ERROR);              \
-            printf(__VA_ARGS__);               \
-            printf("\r\n");                    \
+            fprintf(stderr, __VA_ARGS__);      \
+            fprintf(stderr, "\r\n");           \
         }                                      \
     } while (false)
 #endif  // ZENOH_DEBUG == 0 && !defined(Z_BUILD_DEBUG)