diff --git a/cmake/compiler/gcc/settings.cmake b/cmake/compiler/gcc/settings.cmake
index 87ff6e939..497db5a17 100644
--- a/cmake/compiler/gcc/settings.cmake
+++ b/cmake/compiler/gcc/settings.cmake
@@ -1,6 +1,7 @@
 target_compile_options(zm-warning-interface
   INTERFACE
     -Wall
+    -Wconditionally-supported
     -Wextra
     -Wformat-security
     -Wno-cast-function-type
diff --git a/src/zm_remote_camera_http.cpp b/src/zm_remote_camera_http.cpp
index 3cfdc7412..010fc4fbc 100644
--- a/src/zm_remote_camera_http.cpp
+++ b/src/zm_remote_camera_http.cpp
@@ -289,7 +289,7 @@ int RemoteCameraHttp::ReadData(Buffer &buffer, unsigned int bytes_expected) {
     total_bytes_to_read -= bytes_read;
   } while (total_bytes_to_read);
 
-  Debug(4, "buffer: %s", buffer);
+  Debug(4, "buffer size: %d", static_cast<int>(buffer));
 
   return total_bytes_read;
 }  // end readData