diff --git a/app/src/main/cpp/camera2/ndkcamera.cpp b/app/src/main/cpp/camera2/ndkcamera.cpp
index 65860660..530ea5da 100644
--- a/app/src/main/cpp/camera2/ndkcamera.cpp
+++ b/app/src/main/cpp/camera2/ndkcamera.cpp
@@ -370,7 +370,7 @@ int NdkCamera::open(const std::string& cameraId) {
                 afModes += std::to_string(e.data.u8[idx]) + " ";
 
             }
-            XYLOG(XYLOG_SEVERITY_DEBUG, "Available AF Mode: ", m);
+            XYLOG(XYLOG_SEVERITY_DEBUG, "Available AF Mode: ", afModes.c_str());
 #endif
             afSupported = (status == ACAMERA_OK) && !(e.count == 0 || (e.count == 1 && e.data.u8[0] == ACAMERA_CONTROL_AF_MODE_OFF));
         }