diff --git a/arch/arm/src/efm32/efm32_usbdev.c b/arch/arm/src/efm32/efm32_usbdev.c
index 5b29c9ca893..b81b403e8ae 100644
--- a/arch/arm/src/efm32/efm32_usbdev.c
+++ b/arch/arm/src/efm32/efm32_usbdev.c
@@ -5597,7 +5597,7 @@ void arm_usbinitialize(void)
   ret = irq_attach(EFM32_IRQ_USB, efm32_usbinterrupt, NULL);
   if (ret < 0)
     {
-      uerr("ERROR: irq_attach failed\n", ret);
+      uerr("ERROR: irq_attach failed: %d\n", ret);
       goto errout;
     }
 
diff --git a/arch/arm/src/lpc54xx/lpc54_ethernet.c b/arch/arm/src/lpc54xx/lpc54_ethernet.c
index fa4499a178b..223dc90cd82 100644
--- a/arch/arm/src/lpc54xx/lpc54_ethernet.c
+++ b/arch/arm/src/lpc54xx/lpc54_ethernet.c
@@ -3048,7 +3048,7 @@ int arm_netinitialize(int intf)
     {
       /* We could not attach the ISR to the interrupt */
 
-      nerr("ERROR:  irq_attach failed: %d\n", ret);
+      nerr("ERROR: irq_attach failed: %d\n", ret);
       return -EAGAIN;
     }
 
diff --git a/arch/arm/src/stm32h7/stm32_otgdev.c b/arch/arm/src/stm32h7/stm32_otgdev.c
index c5e38b7a337..09f6778887a 100644
--- a/arch/arm/src/stm32h7/stm32_otgdev.c
+++ b/arch/arm/src/stm32h7/stm32_otgdev.c
@@ -5608,7 +5608,7 @@ void arm_usbinitialize(void)
   ret = irq_attach(STM32_IRQ_OTG, stm32_usbinterrupt, NULL);
   if (ret < 0)
     {
-      uerr("irq_attach failed\n", ret);
+      uerr("ERROR: irq_attach failed: %d\n", ret);
       goto errout;
     }
 
diff --git a/arch/arm/src/stm32l4/stm32l4_otgfsdev.c b/arch/arm/src/stm32l4/stm32l4_otgfsdev.c
index 93ed1a58ef5..2bfe4cef083 100644
--- a/arch/arm/src/stm32l4/stm32l4_otgfsdev.c
+++ b/arch/arm/src/stm32l4/stm32l4_otgfsdev.c
@@ -5725,7 +5725,7 @@ void arm_usbinitialize(void)
   ret = irq_attach(STM32L4_IRQ_OTGFS, stm32l4_usbinterrupt, NULL);
   if (ret < 0)
     {
-      uerr("irq_attach failed\n", ret);
+      uerr("ERROR: irq_attach failed: %d\n", ret);
       goto errout;
     }