diff --git a/common/string.cpp b/common/string.cpp
index d12ea81cb3..6e113e82c8 100644
--- a/common/string.cpp
+++ b/common/string.cpp
@@ -372,3 +372,19 @@ char* strupper( char* Text )
 
     return Text;
 }
+
+/********************************/
+char* strlower( char* text )
+/********************************/
+{
+    char* start = text;
+
+    while( *text )
+    {
+        if( *text >= 'A' && *text <= 'Z' )
+            *text -= 'A' - 'a';
+        text++;
+    }
+
+    return start;
+}
diff --git a/include/common.h b/include/common.h
index ca514d5117..4fbdb7aebc 100644
--- a/include/common.h
+++ b/include/common.h
@@ -491,6 +491,7 @@ wxString        FindKicadFile( const wxString& shortname );
 /* STRING.CPP */
 /*************/
 char*       strupper( char* Text );
+char*       strlower( char* Text );
 
 int         ReadDelimitedText( char* dest, char* source, int NbMaxChar );