diff --git a/include/libopencm3/stm32/g4/irq.json b/include/libopencm3/stm32/g4/irq.json
index 6e90c5d0..4231135d 100644
--- a/include/libopencm3/stm32/g4/irq.json
+++ b/include/libopencm3/stm32/g4/irq.json
@@ -21,8 +21,8 @@
         "adc12",
         "usb_hp",
         "usb_lp",
-        "fdcan1_intr0",
-        "fdcan1_intr1",
+        "fdcan1_it0",
+        "fdcan1_it1",
         "exti9_5",
         "tim1_brk_tim15",
         "tim1_up_tim16",
@@ -86,10 +86,10 @@
         "i2c4_er",
         "spi4",
         "aes",
-        "fdcan2_intr0",
-        "fdcan2_intr1",
-        "fdcan3_intr0",
-        "fdcan3_intr1",
+        "fdcan2_it0",
+        "fdcan2_it1",
+        "fdcan3_it0",
+        "fdcan3_it1",
         "rng",
         "lpuart",
         "i2c3_ev",