diff --git a/slsDetectorServers/slsDetectorServer/src/slsDetectorServer.c b/slsDetectorServers/slsDetectorServer/src/slsDetectorServer.c
index 9a95db54f..cbdbe12e2 100644
--- a/slsDetectorServers/slsDetectorServer/src/slsDetectorServer.c
+++ b/slsDetectorServers/slsDetectorServer/src/slsDetectorServer.c
@@ -66,9 +66,9 @@ int main(int argc, char *argv[]) {
 #endif
 
     // help message
+    int helpMessageSize = 1200;
+    char helpMessage[helpMessageSize];
     {
-        int helpMessageSize = 1200;
-        char helpMessage[helpMessageSize];
         memset(helpMessage, 0, helpMessageSize);
         int len = sprintf(
             helpMessage, helpMessageSize,