diff --git a/Daemons/domedaemon-astrosib/CMakeLists.txt b/Daemons/domedaemon-astrosib/CMakeLists.txt
index 6393040..65cd7ba 100644
--- a/Daemons/domedaemon-astrosib/CMakeLists.txt
+++ b/Daemons/domedaemon-astrosib/CMakeLists.txt
@@ -22,7 +22,7 @@ if(DEBUG)
     set(CMAKE_BUILD_TYPE DEBUG)
     set(CMAKE_VERBOSE_MAKEFILE "ON")
 else()
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3 -march=native -fdata-sections -ffunction-sections")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3 -march=native -fdata-sections -ffunction-sections -fno-builtin-strlen ")
     SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
     set(CMAKE_BUILD_TYPE RELEASE)
 endif()
diff --git a/Daemons/domedaemon-astrosib/dome.c b/Daemons/domedaemon-astrosib/dome.c
index e5a1638..bb11ba2 100644
--- a/Daemons/domedaemon-astrosib/dome.c
+++ b/Daemons/domedaemon-astrosib/dome.c
@@ -138,12 +138,12 @@ static int check_status(){
 
 // run naked command or command with parameters
 static int runcmd(const char *cmd, const char *par){
-    char buf[128];
+    char buf[256];
     if(!cmd) return FALSE;
     DBG("Send command %s with par %s", cmd, par);
-    if(!par) snprintf(buf, 127, "%s", cmd);
-    else snprintf(buf, 127, "%s%s", cmd, par);
-    if(!serial_write(buf, buf, 128)) return FALSE;
+    if(!par) snprintf(buf, 255, "%s", cmd);
+    else snprintf(buf, 255, "%s%s", cmd, par);
+    if(!serial_write(buf, buf, 255)) return FALSE;
     if(strncmp(buf, "OK", 2)) return FALSE;
     return TRUE;
 }
diff --git a/Daemons/domedaemon-astrosib/domedaemon-astrosib.creator.user b/Daemons/domedaemon-astrosib/domedaemon-astrosib.creator.user
index 57966c2..f5d82e5 100644
--- a/Daemons/domedaemon-astrosib/domedaemon-astrosib.creator.user
+++ b/Daemons/domedaemon-astrosib/domedaemon-astrosib.creator.user
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 16.0.2, 2025-06-04T10:34:29. -->
+<!-- Written by QtCreator 16.0.2, 2025-06-04T11:18:43. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>