diff --git a/examples/meta/generator/targets/csharp.json b/examples/meta/generator/targets/csharp.json
index 9a6710c2a53..1b148f76a67 100644
--- a/examples/meta/generator/targets/csharp.json
+++ b/examples/meta/generator/targets/csharp.json
@@ -33,7 +33,7 @@
         "LongIntMatrix": "long[,]",
         "ULongIntMatrix": "ulongint[,]",
         "ShortRealMatrix": "float[,]",
-        "RealMatrix": "float[,]",
+        "RealMatrix": "double[,]",
         "LongRealMatrix": "double[,]",
         "ComplexMatrix": "Complex[,]"
     },