diff --git a/src/g_shared/sbarinfo_parser.cpp b/src/g_shared/sbarinfo_parser.cpp
index 920267208..9a7b86b3a 100644
--- a/src/g_shared/sbarinfo_parser.cpp
+++ b/src/g_shared/sbarinfo_parser.cpp
@@ -348,10 +348,10 @@ void SBarInfo::ParseSBarInfo(int lump)
 						popup.transition = TRANSITION_FADE;
 						sc.MustGetToken(',');
 						sc.MustGetToken(TK_FloatConst);
-						popup.speed = fixed_t(FRACUNIT * sc.Float);
+						popup.speed = fixed_t(FRACUNIT * (1.0 / (35.0 * sc.Float)));
 						sc.MustGetToken(',');
 						sc.MustGetToken(TK_FloatConst);
-						popup.speed2 = fixed_t(FRACUNIT * sc.Float);
+						popup.speed2 = fixed_t(FRACUNIT * (1.0 / (35.0 * sc.Float)));
 					}
 					else
 						sc.ScriptError("Unkown transition type: '%s'", sc.String);