diff --git a/src/latexdocument.cpp b/src/latexdocument.cpp
index 51aa3d55a0..47788ddbf7 100644
--- a/src/latexdocument.cpp
+++ b/src/latexdocument.cpp
@@ -1082,7 +1082,9 @@ void LatexDocument::reinterpretCommandArguments(HandledData &changedCommands)
             }
         }
         bool skipRecheck=dlh->hasFlag(QDocumentLine::argumentsParsed);
-        changedCommands.removedUsepackages << mUsepackageList.values(dlh); // make already interpreted usepakages known
+        if(!dlh->hasFlag(QDocumentLine::argumentsParsed)){
+            removeLineElements(dlh,changedCommands);
+        }
         interpretCommandArguments(dlh,i,changedCommands,false,docStructureIter);
         if (edView && !skipRecheck){
             edView->documentContentChanged(i, 1);
diff --git a/src/latexparser/latexparsing.cpp b/src/latexparser/latexparsing.cpp
index a1cbc5be35..2d402f9985 100644
--- a/src/latexparser/latexparsing.cpp
+++ b/src/latexparser/latexparsing.cpp
@@ -383,8 +383,11 @@ bool latexDetermineContexts2(QDocumentLineHandle *dlh, TokenStack &stack, Comman
                 }
             } else {
                 if(tk.type==Token::command && tk.subtype == Token::none){
-                    tk.type = Token::commandUnknown;
-                    unknownCommandsPresent=true;
+                    if(command!="\\\\"){
+                        // skip "\\"
+                        tk.type = Token::commandUnknown;
+                        unknownCommandsPresent=true;
+                    }
                 }
             }
             lexed << tk;