diff --git a/pkgs/by-name/e-/e-imzo/package.nix b/pkgs/by-name/e-/e-imzo/package.nix
index 2366700e2468..0f076001478b 100644
--- a/pkgs/by-name/e-/e-imzo/package.nix
+++ b/pkgs/by-name/e-/e-imzo/package.nix
@@ -37,7 +37,7 @@ stdenvNoCC.mkDerivation (finalAttrs: {
           pcsclite
         ]
       }" \
-      --add-flags "-Dsun.security.smartcardio.library=${pcsclite.lib}/lib/libpcsclite.${stdenvNoCC.hostPlatform.extensions.sharedLibrary}" \
+      --add-flags "-Dsun.security.smartcardio.library=${pcsclite.lib}/lib/libpcsclite${stdenvNoCC.hostPlatform.extensions.sharedLibrary}" \
       --add-flags "-jar $out/lib/e-imzo/E-IMZO.jar"
 
     runHook postInstall