diff --git a/eeschema/sch_plugins/kicad/sch_sexpr_plugin.cpp b/eeschema/sch_plugins/kicad/sch_sexpr_plugin.cpp
index 3efb3bb34f..48eca5db59 100644
--- a/eeschema/sch_plugins/kicad/sch_sexpr_plugin.cpp
+++ b/eeschema/sch_plugins/kicad/sch_sexpr_plugin.cpp
@@ -1608,7 +1608,7 @@ void SCH_SEXPR_PLUGIN_CACHE::SaveSymbol( LIB_PART* aSymbol, OUTPUTFORMATTER& aFo
             name = aFormatter.Quotew( unitName );   // Add quotes and escape chars like ")
             name.pop_back();    // Remove last char: the quote ending the string.
 
-            aFormatter.Print( aNestLevel + 1, "(symbol \%s_%d_%d\"\n",
+            aFormatter.Print( aNestLevel + 1, "(symbol %s_%d_%d\"\n",
                               name.c_str(), unit.m_unit, unit.m_convert );
 
             for( auto item : unit.m_items )