diff --git a/libs/main/math/pimathmatrix.h b/libs/main/math/pimathmatrix.h
index 73993dec..9dd8ee7c 100644
--- a/libs/main/math/pimathmatrix.h
+++ b/libs/main/math/pimathmatrix.h
@@ -882,7 +882,7 @@ public:
 	*
 	* @param cols is number of matrix column uint type
 	* @param rows is number of matrix row uint type
-	* @return identity matrix of type PIMathMatrix
+	* @return identity matrix(cols,rows)
 	*/
 	static _CMatrix identity(const uint cols, const uint rows) {
 		_CMatrix tm(cols, rows);
@@ -890,9 +890,17 @@ public:
 		return tm;
 	}
 
+	/**
+	* @brief Creates a matrix filled by zeros
+	*
+	* @param cols is number of matrix column uint type
+	* @param rows is number of matrix row uint type
+	* @return zero matrix(cols,rows)
+	*/
 	static _CMatrix zero(const uint cols, const uint rows) {
-		_V2D::resize(rows, cols);
-		fill(Type(0));
+		_CMatrix tm(cols, rows);
+		tm.fill(Type(0));
+		return tm;
 	}
 
 	/**