diff --git a/src/soc/intel/alderlake/romstage/fsp_params.c b/src/soc/intel/alderlake/romstage/fsp_params.c
index 6ab8bb3e50..30ec714b50 100644
--- a/src/soc/intel/alderlake/romstage/fsp_params.c
+++ b/src/soc/intel/alderlake/romstage/fsp_params.c
@@ -79,7 +79,7 @@ static void pcie_rp_init(FSP_M_CONFIG *m_cfg, uint32_t en_mask, enum pcie_rp_typ
 		if (!(cfg[i].flags & PCIE_RP_CLK_REQ_UNUSED)) {
 			if (clk_req_mapping & (1 << cfg[i].clk_req))
 				printk(BIOS_WARNING,
-				       "Found overlapped clkreq assignment on clk req %d\n",
+				       "Found overlapped clkreq assignment on clk req %u\n",
 				       cfg[i].clk_req);
 			m_cfg->PcieClkSrcClkReq[cfg[i].clk_src] = cfg[i].clk_req;
 			clk_req_mapping |= 1 << cfg[i].clk_req;
diff --git a/src/soc/intel/meteorlake/romstage/fsp_params.c b/src/soc/intel/meteorlake/romstage/fsp_params.c
index 414c270dcd..0543106442 100644
--- a/src/soc/intel/meteorlake/romstage/fsp_params.c
+++ b/src/soc/intel/meteorlake/romstage/fsp_params.c
@@ -59,7 +59,7 @@ static void pcie_rp_init(FSP_M_CONFIG *m_cfg, uint32_t en_mask,
 		if (!(cfg[i].flags & PCIE_RP_CLK_REQ_UNUSED)) {
 			if (clk_req_mapping & (1 << cfg[i].clk_req))
 				printk(BIOS_WARNING,
-				       "Found overlapped clkreq assignment on clk req %d\n",
+				       "Found overlapped clkreq assignment on clk req %u\n",
 				       cfg[i].clk_req);
 			m_cfg->PcieClkSrcClkReq[cfg[i].clk_src] = cfg[i].clk_req;
 			clk_req_mapping |= 1 << cfg[i].clk_req;