diff --git a/config.def.h b/config.def.h
index 2943eab..208e02b 100644
--- a/config.def.h
+++ b/config.def.h
@@ -215,8 +215,8 @@ static const Key keys[] = {
     { SUPER,                                Key_x,                     focusstack,       { .i = -1 }                 },
     { SUPER,                                Key_i,                     incnmaster,       { .i = +1 }                 },
     { SUPER | SHIFT,                        Key_i,                     incnmaster,       { .i = -1 }                 },
-    { SUPER,                                Key_h,                     setmfact,         { .f = -0.05 }              },
-    { SUPER,                                Key_l,                     setmfact,         { .f = +0.05 }              },
+    { SUPER,                                Key_h,                     setmfact,         { .f = -0.05f }             },
+    { SUPER,                                Key_l,                     setmfact,         { .f = +0.05f }             },
     { SUPER,                                Key_c,                     setlayout,        { .v = &layouts[0] }        },
     { SUPER,                                Key_s,                     setlayout,        { .v = &layouts[1] }        },
     { SUPER,                                Key_v,                     setlayout,        { .v = &layouts[2] }        },