diff --git a/src/g_mapinfo.cpp b/src/g_mapinfo.cpp
index d26d2f45b..5a39d7dbb 100644
--- a/src/g_mapinfo.cpp
+++ b/src/g_mapinfo.cpp
@@ -314,10 +314,11 @@ FString level_info_t::LookupLevelName()
 			}
 			else
 			{
+				// make sure nothing is stripped.
 				checkstring[0] = '\0';
 			}
 			thename = strstr (lookedup, checkstring);
-			if (thename == NULL)
+			if (thename == NULL || thename == lookedup)
 			{
 				thename = lookedup;
 			}