diff --git a/src/math/pievaluator.cpp b/src/math/pievaluator.cpp
index f694486d..f116ea24 100755
--- a/src/math/pievaluator.cpp
+++ b/src/math/pievaluator.cpp
@@ -309,15 +309,20 @@ void PIEvaluator::replaceOperators() {
 	currentString.replaceAll("<=", "{");
 	currentString.replaceAll("&&", "&");
 	currentString.replaceAll("||", "|");
+	currentString.replaceAll(PIString::fromUTF8("≠"), ":");
+	currentString.replaceAll(PIString::fromUTF8("≥"), "}");
+	currentString.replaceAll(PIString::fromUTF8("≤"), "{");
+	currentString.replaceAll(PIString::fromUTF8("⋀"), "&");
+	currentString.replaceAll(PIString::fromUTF8("⋁"), "|");
 }
 
 
 void PIEvaluator::makeOutput(PIString & string) {
-	string.replaceAll(":", "≠");
-	string.replaceAll("}", "≥");
-	string.replaceAll("{", "≤");
-	string.replaceAll("&", "⋀");
-	string.replaceAll("|", "⋁");
+	string.replaceAll(":", PIString::fromUTF8("≠"));
+	string.replaceAll("}", PIString::fromUTF8("≥"));
+	string.replaceAll("{", PIString::fromUTF8("≤"));
+	string.replaceAll("&", PIString::fromUTF8("⋀"));
+	string.replaceAll("|", PIString::fromUTF8("⋁"));
 }
 
 
@@ -984,13 +989,13 @@ PIString PIEvaluator::operationChar(const PIEvaluatorTypes::Operation & operatio
 	case PIEvaluatorTypes::oPower: return "^";
 	case PIEvaluatorTypes::oResidue: return "%";
 	case PIEvaluatorTypes::oEqual: return "=";
-	case PIEvaluatorTypes::oNotEqual: return ("≠");
-	case PIEvaluatorTypes::oGreaterEqual: return ("≥");
-	case PIEvaluatorTypes::oSmallerEqual: return ("≤");
+	case PIEvaluatorTypes::oNotEqual: return PIString::fromUTF8("≠");
+	case PIEvaluatorTypes::oGreaterEqual: return PIString::fromUTF8("≥");
+	case PIEvaluatorTypes::oSmallerEqual: return PIString::fromUTF8("≤");
 	case PIEvaluatorTypes::oGreater: return ">";
 	case PIEvaluatorTypes::oSmaller: return "<";
-	case PIEvaluatorTypes::oAnd: return ("⋀");
-	case PIEvaluatorTypes::oOr: return ("⋁");
+	case PIEvaluatorTypes::oAnd: return PIString::fromUTF8("⋀");
+	case PIEvaluatorTypes::oOr: return PIString::fromUTF8("⋁");
 	default: return "???";
 	}
 }
diff --git a/src/system/piprocess.cpp b/src/system/piprocess.cpp
index 277bd6b5..6dd3f265 100755
--- a/src/system/piprocess.cpp
+++ b/src/system/piprocess.cpp
@@ -193,9 +193,14 @@ void PIProcess::startProc(bool detached) {
 
 void PIProcess::terminate() {
 #ifdef WINDOWS
-	if (is_exec) if (!TerminateProcess(pi.hProcess, 0)) return; pi.dwProcessId = 0;
+	if (is_exec)
+		if (!TerminateProcess(pi.hProcess, 0))
+			return;
+	pi.dwProcessId = 0;
 #else
-	if (is_exec) kill(pid, SIGKILL); pid = 0;
+	if (is_exec)
+		kill(pid, SIGKILL);
+	pid = 0;
 #endif
 }