diff --git a/Resources/shell-integration/cmux-bash-integration.bash b/Resources/shell-integration/cmux-bash-integration.bash
index fc1d4cf1..46afa112 100644
--- a/Resources/shell-integration/cmux-bash-integration.bash
+++ b/Resources/shell-integration/cmux-bash-integration.bash
@@ -5,7 +5,7 @@ _cmux_send() {
     if command -v ncat >/dev/null 2>&1; then
         printf '%s\n' "$payload" | ncat -w 1 -U "$CMUX_SOCKET_PATH" --send-only
     elif command -v socat >/dev/null 2>&1; then
-        printf '%s\n' "$payload" | socat -T 1 - "UNIX-CONNECT:$CMUX_SOCKET_PATH"
+        printf '%s\n' "$payload" | socat -T 1 - "UNIX-CONNECT:$CMUX_SOCKET_PATH" >/dev/null 2>&1
     elif command -v nc >/dev/null 2>&1; then
         # Some nc builds don't support unix sockets, but keep as a last-ditch fallback.
         #
diff --git a/Resources/shell-integration/cmux-zsh-integration.zsh b/Resources/shell-integration/cmux-zsh-integration.zsh
index af518b52..1bcf084f 100644
--- a/Resources/shell-integration/cmux-zsh-integration.zsh
+++ b/Resources/shell-integration/cmux-zsh-integration.zsh
@@ -6,7 +6,7 @@ _cmux_send() {
     if command -v ncat >/dev/null 2>&1; then
         print -r -- "$payload" | ncat -w 1 -U "$CMUX_SOCKET_PATH" --send-only
     elif command -v socat >/dev/null 2>&1; then
-        print -r -- "$payload" | socat -T 1 - "UNIX-CONNECT:$CMUX_SOCKET_PATH"
+        print -r -- "$payload" | socat -T 1 - "UNIX-CONNECT:$CMUX_SOCKET_PATH" >/dev/null 2>&1
     elif command -v nc >/dev/null 2>&1; then
         # Some nc builds don't support unix sockets, but keep as a last-ditch fallback.
         #