diff --git a/src/soc/intel/cannonlake/fsp_params.c b/src/soc/intel/cannonlake/fsp_params.c
index 57e26ec0b4..7fb695ba98 100644
--- a/src/soc/intel/cannonlake/fsp_params.c
+++ b/src/soc/intel/cannonlake/fsp_params.c
@@ -468,6 +468,8 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
 	for (i = 0; i < ARRAY_SIZE(config->PcieClkSrcUsage); i++) {
 		if (config->PcieClkSrcUsage[i] == 0)
 			config->PcieClkSrcUsage[i] = PCIE_CLK_NOTUSED;
+		else if (config->PcieClkSrcUsage[i] == PCIE_CLK_RP0)
+			config->PcieClkSrcUsage[i] = 0;
 	}
 	memcpy(params->PcieClkSrcUsage, config->PcieClkSrcUsage,
 	       sizeof(config->PcieClkSrcUsage));
diff --git a/src/soc/intel/cannonlake/include/soc/pch.h b/src/soc/intel/cannonlake/include/soc/pch.h
index 778b26981b..6eda85755a 100644
--- a/src/soc/intel/cannonlake/include/soc/pch.h
+++ b/src/soc/intel/cannonlake/include/soc/pch.h
@@ -11,5 +11,7 @@
 #define PCIE_CLK_NOTUSED		0xFF
 #define PCIE_CLK_LAN			0x70
 #define PCIE_CLK_FREE			0x80
+// Converted to 0, allows 0 to be notused
+#define PCIE_CLK_RP0			0xFE
 
 #endif