diff --git a/examples/device/cdc_uac2/src/main.c b/examples/device/cdc_uac2/src/main.c
index 7afa96c1a..25b2cd9a5 100644
--- a/examples/device/cdc_uac2/src/main.c
+++ b/examples/device/cdc_uac2/src/main.c
@@ -60,7 +60,7 @@ int main(void)
     led_blinking_task();
 
 #if (CFG_TUSB_MCU == OPT_MCU_RP2040)
-    // printf("Hello, world!\n");
+    // printf("Hello, world!\r\n");
 #endif
   }
 
diff --git a/src/portable/analog/max3421/hcd_max3421.c b/src/portable/analog/max3421/hcd_max3421.c
index 2abd74d51..051b7eaa8 100644
--- a/src/portable/analog/max3421/hcd_max3421.c
+++ b/src/portable/analog/max3421/hcd_max3421.c
@@ -396,7 +396,7 @@ static max3421_ep_t * find_next_pending_ep(max3421_ep_t * cur_ep) {
   for (size_t i = idx + 1; i < CFG_TUH_MAX3421_ENDPOINT_TOTAL; i++) {
     max3421_ep_t* ep = &_hcd_data.ep[i];
     if (ep->xfer_pending && ep->packet_size) {
-//      TU_LOG3("next pending i = %u\n", i);
+//      TU_LOG3("next pending i = %u\r\n", i);
       return ep;
     }
   }
@@ -405,7 +405,7 @@ static max3421_ep_t * find_next_pending_ep(max3421_ep_t * cur_ep) {
   for (size_t i = 0; i <= idx; i++) {
     max3421_ep_t* ep = &_hcd_data.ep[i];
     if (ep->xfer_pending && ep->packet_size) {
-//      TU_LOG3("next pending i = %u\n", i);
+//      TU_LOG3("next pending i = %u\r\n", i);
       return ep;
     }
   }
@@ -726,9 +726,9 @@ static void handle_connect_irq(uint8_t rhport, bool in_isr) {
       // However, since we are always in full speed mode, we can just check J-state
       if (jk == HRSL_KSTATUS) {
         new_mode |= MODE_LOWSPEED;
-        TU_LOG3("Low speed\n");
+        TU_LOG3("Low speed\r\n");
       }else {
-        TU_LOG3("Full speed\n");
+        TU_LOG3("Full speed\r\n");
       }
       new_mode |= MODE_SOFKAENAB;
       mode_write(rhport, new_mode, in_isr);
diff --git a/src/portable/ehci/ehci.c b/src/portable/ehci/ehci.c
index 572b9826c..e145cbb1b 100644
--- a/src/portable/ehci/ehci.c
+++ b/src/portable/ehci/ehci.c
@@ -581,7 +581,7 @@ void qhd_xfer_complete_isr(ehci_qhd_t * qhd) {
         // clear halted bit if not caused by STALL to allow more transfer
         xfer_result = XFER_RESULT_FAILED;
         qtd_overlay->halted = false;
-        TU_LOG3("  QHD xfer err count: %d\n", qtd_overlay->err_count);
+        TU_LOG3("  QHD xfer err count: %d\r\n", qtd_overlay->err_count);
         // TU_BREAKPOINT(); // TODO skip unplugged device
       }else {
         // no error bits are set, endpoint is halted due to STALL
@@ -664,7 +664,7 @@ void hcd_int_handler(uint8_t rhport, bool in_isr) {
   if (int_status & EHCI_INT_MASK_HC_HALTED) {
     // something seriously wrong, maybe forget to flush/invalidate cache
     TU_BREAKPOINT();
-    TU_LOG1("  HC halted\n");
+    TU_LOG1("  HC halted\r\n");
     return;
   }
 
diff --git a/src/portable/mentor/musb/dcd_musb.c b/src/portable/mentor/musb/dcd_musb.c
index 3c0114e41..a817c5d6e 100644
--- a/src/portable/mentor/musb/dcd_musb.c
+++ b/src/portable/mentor/musb/dcd_musb.c
@@ -158,9 +158,9 @@ static inline unsigned free_block_size(free_block_t const *blk)
 #if 0
 static inline void print_block_list(free_block_t const *blk, unsigned num)
 {
-  TU_LOG1("*************\n");
+  TU_LOG1("*************\r\n");
   for (unsigned i = 0; i < num; ++i) {
-    TU_LOG1(" Blk%u %u %u\n", i, blk->beg, blk->end);
+    TU_LOG1(" Blk%u %u %u\r\n", i, blk->beg, blk->end);
     ++blk;
   }
 }