diff --git a/src/value.cc b/src/value.cc
index f519948c..897eed36 100644
--- a/src/value.cc
+++ b/src/value.cc
@@ -210,15 +210,15 @@ public:
     tmp << op1;
     std::string tmpstr = tmp.str();
     size_t endpos = tmpstr.find_last_not_of('0');
-    if (endpos >= 0 && tmpstr[endpos] == '.') endpos--;
+    if (tmpstr[endpos] == '.') endpos--;
     tmpstr = tmpstr.substr(0, endpos+1);
     size_t dotpos = tmpstr.find('.');
     if (dotpos != std::string::npos) {
       if (tmpstr.size() - dotpos > 12) tmpstr.erase(dotpos + 12);
       while (tmpstr[tmpstr.size()-1] == '0') tmpstr.erase(tmpstr.size()-1);
     }
-    if ( tmpstr.compare("-0") == 0 ) tmpstr = "0";
-    tmpstr = two_digit_exp_format( tmpstr );
+    if (tmpstr.compare("-0") == 0) tmpstr = "0";
+    tmpstr = two_digit_exp_format(tmpstr);
     return tmpstr;
 #else
     // attempt to emulate Qt's QString.sprintf("%g"); from old OpenSCAD.