diff -r xfwm4-4.1.99.3_old/src/keyboard.c xfwm4-4.1.99.3/src/keyboard.c
82c82
<         if (strstr (tmp, "alt") || strstr (tmp, "mod1"))
---
>         if (strstr (tmp, "alt"))
86c86
<         if (strstr (tmp, "meta") || strstr (tmp, "mod2"))
---
>         if (strstr (tmp, "meta"))
90c90
<         if (strstr (tmp, "super") || strstr (tmp, "mod4"))
---
>         if (strstr (tmp, "super"))
94c94
<         if (strstr (tmp, "hyper") || strstr (tmp, "mod5"))
---
>         if (strstr (tmp, "hyper"))
97a98,117
>         if (strstr (tmp, "mod1"))
>         {
>             key->modifier = key->modifier | Mod1Mask;
>         }
>         if (strstr (tmp, "mod2"))
>         {
>             key->modifier = key->modifier | Mod2Mask;
>         }
>         if (strstr (tmp, "mod3"))
>         {
>             key->modifier = key->modifier | Mod3Mask;
>         }
>         if (strstr (tmp, "mod4"))
>         {
>             key->modifier = key->modifier | Mod4Mask;
>         }
>         if (strstr (tmp, "mod5"))
>         {
>             key->modifier = key->modifier | Mod5Mask;
>         }