diff --git a/src/discord_register_linux.cpp b/src/discord_register_linux.cpp
index b10f96d..0a739a7 100644
--- a/src/discord_register_linux.cpp
+++ b/src/discord_register_linux.cpp
@@ -33,9 +33,13 @@ extern "C" DISCORD_EXPORT void Discord_Register(const char* applicationId, const
 
     char exePath[1024];
     if (!command || !command[0]) {
-        if (readlink("/proc/self/exe", exePath, sizeof(exePath)) <= 0) {
+        size_t size = readlink("/proc/self/exe", exePath, sizeof(exePath));
+        if (size <= 0) {
             return;
         }
+        if (size < sizeof(exePath)) {
+            exePath[size] = '\0';
+        }
         command = exePath;
     }