diff --git a/src/Common/SecurityToken.cpp b/src/Common/SecurityToken.cpp
index d7dacf57..a3fc18d6 100644
--- a/src/Common/SecurityToken.cpp
+++ b/src/Common/SecurityToken.cpp
@@ -520,11 +520,13 @@ namespace VeraCrypt
 			CloseLibrary();
 
 #ifdef TC_WINDOWS
-		Pkcs11LibraryHandle = LoadLibraryW (pkcs11LibraryPath.c_str());
-#else
-		Pkcs11LibraryHandle = dlopen (pkcs11LibraryPath.c_str(), RTLD_NOW | RTLD_LOCAL);
-#endif
+		Pkcs11LibraryHandle = LoadLibraryW (pkcs11LibraryPath.c_str());
 		throw_sys_if (!Pkcs11LibraryHandle);
+#else
+		Pkcs11LibraryHandle = dlopen (pkcs11LibraryPath.c_str(), RTLD_NOW | RTLD_LOCAL);
+		throw_sys_sub_if (!Pkcs11LibraryHandle, dlerror());
+#endif
+		
 
 		typedef CK_RV (*C_GetFunctionList_t) (CK_FUNCTION_LIST_PTR_PTR ppFunctionList);
 #ifdef TC_WINDOWS