diff --git a/subprojects/gst-plugins-bad/ext/sctp/usrsctp/usrsctplib/netinet/sctp_pcb.c b/subprojects/gst-plugins-bad/ext/sctp/usrsctp/usrsctplib/netinet/sctp_pcb.c
index f051fa94dd..6fd3c5e2e1 100644
--- a/subprojects/gst-plugins-bad/ext/sctp/usrsctp/usrsctplib/netinet/sctp_pcb.c
+++ b/subprojects/gst-plugins-bad/ext/sctp/usrsctp/usrsctplib/netinet/sctp_pcb.c
@@ -7982,7 +7982,7 @@ sctp_drain_mbufs(struct sctp_tcb *stcb)
 }
 
 void
-sctp_drain()
+sctp_drain(void)
 {
 	/*
 	 * We must walk the PCB lists for ALL associations here. The system
diff --git a/subprojects/gst-plugins-bad/ext/sctp/usrsctp/usrsctplib/netinet/sctp_sysctl.c b/subprojects/gst-plugins-bad/ext/sctp/usrsctp/usrsctplib/netinet/sctp_sysctl.c
index 91068118e1..0f8cd4dccb 100644
--- a/subprojects/gst-plugins-bad/ext/sctp/usrsctp/usrsctplib/netinet/sctp_sysctl.c
+++ b/subprojects/gst-plugins-bad/ext/sctp/usrsctp/usrsctplib/netinet/sctp_sysctl.c
@@ -61,7 +61,7 @@ FEATURE(sctp, "Stream Control Transmission Protocol");
  */
 
 void
-sctp_init_sysctls()
+sctp_init_sysctls(void)
 {
 	SCTP_BASE_SYSCTL(sctp_sendspace) = SCTPCTL_MAXDGRAM_DEFAULT;
 	SCTP_BASE_SYSCTL(sctp_recvspace) = SCTPCTL_RECVSPACE_DEFAULT;