diff --git a/crypto3.nix b/crypto3.nix
index acdf7e1bc4..7bd3bc1fba 100644
--- a/crypto3.nix
+++ b/crypto3.nix
@@ -46,7 +46,7 @@ in stdenv.mkDerivation {
     ctest --verbose --output-on-failure -R
     cd ..
     mkdir -p ${placeholder "out"}/test-logs
-    find .. -type f -name '*_test.xml' -exec cp {} ${placeholder "out"}/test-logs;
+    find .. -type f -name '*_test.xml' -exec cp {} ${placeholder "out"}/test-logs \;
   '';
 
   shellHook = ''
diff --git a/parallel-crypto3.nix b/parallel-crypto3.nix
index 6d649a5706..5a2a15eba5 100644
--- a/parallel-crypto3.nix
+++ b/parallel-crypto3.nix
@@ -44,7 +44,7 @@ in stdenv.mkDerivation {
     ctest --verbose --output-on-failure -R
     cd ..
     mkdir -p ${placeholder "out"}/test-logs
-    find .. -type f -name '*_test.xml' -exec cp {} ${placeholder "out"}/test-logs;
+    find .. -type f -name '*_test.xml' -exec cp {} ${placeholder "out"}/test-logs \;
   '';
 
   shellHook = ''
diff --git a/zkevm-framework.nix b/zkevm-framework.nix
index 11fb2f841c..545b9d02e6 100644
--- a/zkevm-framework.nix
+++ b/zkevm-framework.nix
@@ -51,7 +51,7 @@ in stdenv.mkDerivation rec {
     ctest --verbose --output-on-failure -R
     cd ..
     mkdir -p ${placeholder "out"}/test-logs
-    find .. -type f -name '*_test.xml' -exec cp {} ${placeholder "out"}/test-logs;
+    find .. -type f -name '*_test.xml' -exec cp {} ${placeholder "out"}/test-logs \;
   '';
 
   shellHook = ''