diff --git a/c_micasad/micasad.csproj b/c_micasad/micasad.csproj
index 6485f10a..1b9ca07f 100644
--- a/c_micasad/micasad.csproj
+++ b/c_micasad/micasad.csproj
@@ -278,6 +278,11 @@
                     SubType = "Code"
                     BuildAction = "Compile"
                 />
+                <File
+                    RelPath = "lss\FastRandom.cs"
+                    SubType = "Code"
+                    BuildAction = "Compile"
+                />
                 <File
                     RelPath = "lss\LocalStorage.cs"
                     SubType = "Code"