diff --git a/lib/utils/irqchip/plic.c b/lib/utils/irqchip/plic.c
index 5dcbce0..ea09f0a 100644
--- a/lib/utils/irqchip/plic.c
+++ b/lib/utils/irqchip/plic.c
@@ -51,7 +51,7 @@ void plic_fdt_fixup(void *fdt, const char *compat)
 {
 	u32 *cells;
 	int i, cells_count;
-	u32 plic_off;
+	int plic_off;
 
 	plic_off = fdt_node_offset_by_compatible(fdt, 0, compat);
 	if (plic_off < 0)