diff --git a/src/common/detectWMDE.c b/src/common/detectWMDE.c
index 54c9a6965..0fa100659 100644
--- a/src/common/detectWMDE.c
+++ b/src/common/detectWMDE.c
@@ -246,6 +246,9 @@ static inline void getDE(FFWMDEResult* result, ProcData* procData)
     {
         ffStrbufSetS(&result->deProcessName, result->sessionDesktop);
         ffStrbufSet(&result->dePrettyName, &result->deProcessName);
+
+        if(ffStrbufStartsWithIgnCaseS(&result->dePrettyName, "X-"))
+            ffStrbufSubstrAfter(&result->deProcessName, 2);
     }
 }