diff --git a/src/rp2040/pico_platform/include/pico/platform.h b/src/rp2040/pico_platform/include/pico/platform.h
index 47aa119a7..882a95d2e 100644
--- a/src/rp2040/pico_platform/include/pico/platform.h
+++ b/src/rp2040/pico_platform/include/pico/platform.h
@@ -66,8 +66,13 @@
 #define PICO_RP2040_B2_SUPPORTED 1
 #endif
 
+// PICO_CONFIG: PICO_VECTOR_TABLE_NUM_IRQS, Number of IRQ vectors to include in the vector table, type=int, min=0, max=NUM_IRQS, default=NUM_IRQS, advanced=true, group=pico_platform
+#ifndef PICO_VECTOR_TABLE_NUM_IRQS
+#define PICO_VECTOR_TABLE_NUM_IRQS NUM_IRQS
+#endif
+
 #ifndef PICO_RAM_VECTOR_TABLE_SIZE
-#define PICO_RAM_VECTOR_TABLE_SIZE (VTABLE_FIRST_IRQ + NUM_IRQS)
+#define PICO_RAM_VECTOR_TABLE_SIZE (VTABLE_FIRST_IRQ + PICO_VECTOR_TABLE_NUM_IRQS)
 #endif
 
 // PICO_CONFIG: PICO_CLKDIV_ROUND_NEAREST, True if floating point clock divisors should be rounded to the nearest possible clock divisor by default rather than rounding down, type=bool, default=1, group=pico_platform
diff --git a/src/rp2350/pico_platform/include/pico/platform.h b/src/rp2350/pico_platform/include/pico/platform.h
index 24fec75bb..9923592f9 100644
--- a/src/rp2350/pico_platform/include/pico/platform.h
+++ b/src/rp2350/pico_platform/include/pico/platform.h
@@ -54,8 +54,13 @@
 #define PICO_NO_RAM_VECTOR_TABLE 0
 #endif
 
+// PICO_CONFIG: PICO_VECTOR_TABLE_NUM_IRQS, Number of IRQ vectors to include in the vector table, type=int, min=0, max=NUM_IRQS, default=NUM_IRQS, advanced=true, group=pico_platform
+#ifndef PICO_VECTOR_TABLE_NUM_IRQS
+#define PICO_VECTOR_TABLE_NUM_IRQS NUM_IRQS
+#endif
+
 #ifndef PICO_RAM_VECTOR_TABLE_SIZE
-#define PICO_RAM_VECTOR_TABLE_SIZE (VTABLE_FIRST_IRQ + NUM_IRQS)
+#define PICO_RAM_VECTOR_TABLE_SIZE (VTABLE_FIRST_IRQ + PICO_VECTOR_TABLE_NUM_IRQS)
 #endif
 
 // PICO_CONFIG: PICO_USE_STACK_GUARDS, Enable/disable stack guards, type=bool, default=0, advanced=true, group=pico_platform
@@ -284,4 +289,3 @@ __force_inline static int32_t __mul_instruction(int32_t a, int32_t b) {
 #endif // __ASSEMBLER__
 
 #endif
-
diff --git a/src/rp2_common/hardware_irq/include/hardware/irq.h b/src/rp2_common/hardware_irq/include/hardware/irq.h
index 78548ad9b..109900526 100644
--- a/src/rp2_common/hardware_irq/include/hardware/irq.h
+++ b/src/rp2_common/hardware_irq/include/hardware/irq.h
@@ -195,7 +195,7 @@ extern "C" {
 typedef void (*irq_handler_t)(void);
 
 static inline void check_irq_param(__unused uint num) {
-    invalid_params_if(HARDWARE_IRQ, num >= NUM_IRQS);
+    invalid_params_if(HARDWARE_IRQ, num >= PICO_VECTOR_TABLE_NUM_IRQS);
 }
 
 /*! \brief Set specified interrupt's priority
diff --git a/src/rp2_common/pico_crt0/crt0.S b/src/rp2_common/pico_crt0/crt0.S
index e408b7ded..5e2c32ee2 100644
--- a/src/rp2_common/pico_crt0/crt0.S
+++ b/src/rp2_common/pico_crt0/crt0.S
@@ -53,7 +53,7 @@ __vectors:
 #else
 
 .macro if_irq_word num func
-.if \num < NUM_IRQS
+.if \num < PICO_VECTOR_TABLE_NUM_IRQS
 .word \func
 .endif
 .endm
@@ -142,7 +142,7 @@ if_irq_word 76 isr_irq76
 if_irq_word 77 isr_irq77
 if_irq_word 78 isr_irq78
 if_irq_word 79 isr_irq79
-#if NUM_IRQS > 80
+#if PICO_VECTOR_TABLE_NUM_IRQS > 80
 #error more IRQ entries required
 #endif
 #endif