diff --git a/test/performance/client.cpp b/test/performance/client.cpp
index e86145f8..aa864c8f 100644
--- a/test/performance/client.cpp
+++ b/test/performance/client.cpp
@@ -24,7 +24,7 @@
 namespace clblast {
 // =================================================================================================
 
-template <typename T, typename U> const auto Client<T,U>::kSeed = 42; // fixed seed for reproducibility
+template <typename T, typename U> const int Client<T,U>::kSeed = 42; // fixed seed for reproducibility
 
 // Constructor
 template <typename T, typename U>