diff --git a/common/ca_ci.cpp b/common/ca_ci.cpp
index b93a91a..8c4357e 100644
--- a/common/ca_ci.cpp
+++ b/common/ca_ci.cpp
@@ -1948,4 +1948,17 @@ void cCA::SetCIDelay(int Delay)
 		fclose(ci);
 	}
 }
+
+void cCA::SetCIRelevantPidsRouting(bool RPR, int slot)
+{
+	char buf[64];
+	snprintf(buf, 64, "/proc/stb/tsmux/ci%d_relevant_pids_routing", slot);
+	FILE *ci = fopen(buf, "wb");
+	printf("%s -> %s to: %b\n", FILENAME, __func__, RPR);
+	if (ci)
+	{
+		fprintf(ci, "%i", RPR == true ? "yes" : "no");
+		fclose(ci);
+	}
+}
 #endif
diff --git a/include/ca_ci.h b/include/ca_ci.h
index 0f26d99..5bb9b51 100644
--- a/include/ca_ci.h
+++ b/include/ca_ci.h
@@ -332,6 +332,8 @@ public:
 #if BOXMODEL_VUPLUS
 	/// dvb wait delay for ci response
 	void SetCIDelay(int Delay);
+	/// relevant pids routing
+	void SetCIRelevantPidsRouting(bool RPR, int slot = 0);
 #endif
 
 	/// Start the CA module