diff --git a/arm_compute/core/NEON/kernels/NEMeanStdDevKernel.h b/arm_compute/core/NEON/kernels/NEMeanStdDevKernel.h
index 9c72b20..ce2c5eb 100644
--- a/arm_compute/core/NEON/kernels/NEMeanStdDevKernel.h
+++ b/arm_compute/core/NEON/kernels/NEMeanStdDevKernel.h
@@ -25,9 +25,9 @@
 #define __ARM_COMPUTE_NEMEANSTDDEVKERNEL_H__
 
 #include "arm_compute/core/NEON/INEKernel.h"
+#include "support/Mutex.h"
 
 #include <cstdint>
-#include <mutex>
 
 namespace arm_compute
 {
@@ -67,13 +67,13 @@
     BorderSize border_size() const override;
 
 private:
-    const IImage *_input;
-    float        *_mean;
-    float        *_stddev;
-    uint64_t     *_global_sum;
-    uint64_t     *_global_sum_squared;
-    std::mutex    _mtx;
-    BorderSize    _border_size;
+    const IImage      *_input;
+    float             *_mean;
+    float             *_stddev;
+    uint64_t          *_global_sum;
+    uint64_t          *_global_sum_squared;
+    arm_compute::Mutex _mtx;
+    BorderSize         _border_size;
 };
 }
 #endif /* __ARM_COMPUTE_NEMEANSTDDEVKERNEL_H__ */