diff --git a/main/source/window/linux_window.cpp b/main/source/window/linux_window.cpp
index b7285c42d..58f9b63b2 100644
--- a/main/source/window/linux_window.cpp
+++ b/main/source/window/linux_window.cpp
@@ -21,7 +21,7 @@ namespace hex {
         // Add plugin library folders to dll search path
         for (const auto &path : hex::fs::getDefaultPaths(fs::ImHexPath::Libraries))  {
             if (std::fs::exists(path))
-                putenv(hex::format("LD_LIBRARY_PATH={}", path.c_str()).c_str());
+                setenv("LD_LIBRARY_PATH", hex::format("{};{}", hex::getEnvironmentVariable("LD_LIBRARY_PATH").value_or(""), path.string().c_str()).c_str(), true);
         }
 
         if (!isatty(STDOUT_FILENO)) {
diff --git a/main/source/window/macos_window.cpp b/main/source/window/macos_window.cpp
index 455acffff..ea3d9c57d 100644
--- a/main/source/window/macos_window.cpp
+++ b/main/source/window/macos_window.cpp
@@ -20,7 +20,7 @@ namespace hex {
         // Add plugin library folders to dll search path
         for (const auto &path : hex::fs::getDefaultPaths(fs::ImHexPath::Libraries))  {
             if (std::fs::exists(path))
-                putenv(hex::format("LD_LIBRARY_PATH={}", path.c_str()).c_str());
+                setenv("LD_LIBRARY_PATH", hex::format("{};{}", hex::getEnvironmentVariable("LD_LIBRARY_PATH").value_or(""), path.string().c_str()).c_str(), true);
         }
 
         if (!isatty(STDOUT_FILENO)) {