diff --git a/modules/ocl/src/brute_force_matcher.cpp b/modules/ocl/src/brute_force_matcher.cpp
index 76b1436d2..818f3c18f 100644
--- a/modules/ocl/src/brute_force_matcher.cpp
+++ b/modules/ocl/src/brute_force_matcher.cpp
@@ -690,7 +690,7 @@ void findKnnMatch(int k, const oclMat &trainIdx, const oclMat &distance, const o
     }
 }
 
-void findKnnMatchDispatcher(int k, const oclMat &trainIdx, const oclMat &distance, const oclMat &allDist, int distType)
+static void findKnnMatchDispatcher(int k, const oclMat &trainIdx, const oclMat &distance, const oclMat &allDist, int distType)
 {
     findKnnMatch<256>(k, trainIdx, distance, allDist, distType);
 }