diff --git a/pkgs/applications/radio/soapysdr/default.nix b/pkgs/applications/radio/soapysdr/default.nix
index 4875a4818f8..1e5052d4f9b 100644
--- a/pkgs/applications/radio/soapysdr/default.nix
+++ b/pkgs/applications/radio/soapysdr/default.nix
@@ -42,7 +42,7 @@ in stdenv.mkDerivation {
     done
     # Needed for at least the remote plugin server
     for file in $out/bin/*; do
-        wrapProgram "$file" --prefix SOAPY_SDR_PLUGIN_PATH : ${extraPackagesSearchPath}
+        wrapProgram "$file" --prefix SOAPY_SDR_PLUGIN_PATH : ${lib.escapeShellArg extraPackagesSearchPath}
     done
   '';