diff --git a/apps/socketoptions.hpp b/apps/socketoptions.hpp
index 2a14c3854..06c929896 100644
--- a/apps/socketoptions.hpp
+++ b/apps/socketoptions.hpp
@@ -229,7 +229,7 @@ const SocketOption srt_options [] {
     { "latency", 0, SRTO_LATENCY, SocketOption::PRE, SocketOption::INT, nullptr},
     { "tsbpdmode", 0, SRTO_TSBPDMODE, SocketOption::PRE, SocketOption::BOOL, nullptr},
     { "tlpktdrop", 0, SRTO_TLPKTDROP, SocketOption::PRE, SocketOption::BOOL, nullptr},
-    { "snddropdelay", 0, SRTO_SNDDROPDELAY, SocketOption::PRE, SocketOption::INT, nullptr},
+    { "snddropdelay", 0, SRTO_SNDDROPDELAY, SocketOption::POST, SocketOption::INT, nullptr},
     { "nakreport", 0, SRTO_NAKREPORT, SocketOption::PRE, SocketOption::BOOL, nullptr},
     { "conntimeo", 0, SRTO_CONNTIMEO, SocketOption::PRE, SocketOption::INT, nullptr},
     { "drifttracer", 0, SRTO_DRIFTTRACER, SocketOption::POST, SocketOption::BOOL, nullptr},
diff --git a/srtcore/core.cpp b/srtcore/core.cpp
index a3d6b217f..795f0a727 100644
--- a/srtcore/core.cpp
+++ b/srtcore/core.cpp
@@ -161,19 +161,19 @@ struct SrtOptionAction
         flags[SRTO_SENDER]             = SRTO_R_PRE;
         flags[SRTO_TSBPDMODE]          = SRTO_R_PRE;
         flags[SRTO_LATENCY]            = SRTO_R_PRE;
-        flags[SRTO_INPUTBW]            = 0 | SRTO_POST_SPEC;
-        flags[SRTO_MININPUTBW]         = 0 | SRTO_POST_SPEC;
-        flags[SRTO_OHEADBW]            = 0 | SRTO_POST_SPEC;
+        flags[SRTO_INPUTBW]            = SRTO_POST_SPEC;
+        flags[SRTO_MININPUTBW]         = SRTO_POST_SPEC;
+        flags[SRTO_OHEADBW]            = SRTO_POST_SPEC;
         flags[SRTO_PASSPHRASE]         = SRTO_R_PRE;
         flags[SRTO_PBKEYLEN]           = SRTO_R_PRE;
         flags[SRTO_IPTTL]              = SRTO_R_PREBIND;
         flags[SRTO_IPTOS]              = SRTO_R_PREBIND;
         flags[SRTO_TLPKTDROP]          = SRTO_R_PRE;
-        flags[SRTO_SNDDROPDELAY]       = SRTO_R_PRE;
+        flags[SRTO_SNDDROPDELAY]       = SRTO_POST_SPEC;
         flags[SRTO_NAKREPORT]          = SRTO_R_PRE;
         flags[SRTO_VERSION]            = SRTO_R_PRE;
         flags[SRTO_CONNTIMEO]          = SRTO_R_PRE;
-        flags[SRTO_LOSSMAXTTL]         = 0 | SRTO_POST_SPEC;
+        flags[SRTO_LOSSMAXTTL]         = SRTO_POST_SPEC;
         flags[SRTO_RCVLATENCY]         = SRTO_R_PRE;
         flags[SRTO_PEERLATENCY]        = SRTO_R_PRE;
         flags[SRTO_MINVERSION]         = SRTO_R_PRE;