diff --git a/build.js b/build.js
index 772413b77..5e4bd287c 100755
--- a/build.js
+++ b/build.js
@@ -832,11 +832,11 @@
 
   // simplify template snippets by removing unnecessary brackets
   source = source.replace(
-    RegExp("{(\\\\n' *\\+\\s*.*?\\+\\n\\s*')}(?:\\\\n)?' *([,\\n])", 'g'), "$1'$2"
+    RegExp("{(\\\\n' *\\+\\s*.*?\\+\\n\\s*' *)}(?:\\\\n)?' *([,\\n])", 'g'), "$1'$2"
   );
 
   source = source.replace(
-    RegExp("{(\\\\n' *\\+\\s*.*?\\+\\n\\s*')}(?:\\\\n)?' *\\+", 'g'), "$1;\\n'+"
+    RegExp("{(\\\\n' *\\+\\s*.*?\\+\\n\\s*' *)}(?:\\\\n)?' *\\+", 'g'), "$1;\\n'+"
   );
 
   /*--------------------------------------------------------------------------*/