diff --git a/src/blackmisc/pqstring.cpp b/src/blackmisc/pqstring.cpp
index b8b59133f..fbd1236ea 100644
--- a/src/blackmisc/pqstring.cpp
+++ b/src/blackmisc/pqstring.cpp
@@ -90,14 +90,17 @@ namespace BlackMisc
             qDBusRegisterMetaType<CPqString>();
         }
 
-        QVariant CPqString::parse(const QString &value)
+        /*
+         * Parse
+         */
+        QVariant CPqString::parseToVariant(const QString &value)
         {
             QVariant v;
             if (value.isEmpty()) return v;
             QRegExp rx("^([-+]?[0-9]*\\.?[0-9]+)\\s*(\\D*)$");
             if (rx.indexIn(value) < 0) return v;
-            QString number = rx.cap(1);
-            QString unit = rx.cap(2);
+            QString number = rx.cap(1).trimmed();
+            QString unit = rx.cap(2).trimmed();
             if (unit.isEmpty() || number.isEmpty()) return v;
             bool success;
             double numberD = number.toDouble(&success);
diff --git a/src/blackmisc/pqstring.h b/src/blackmisc/pqstring.h
index 715692e4b..fa08de636 100644
--- a/src/blackmisc/pqstring.h
+++ b/src/blackmisc/pqstring.h
@@ -74,15 +74,16 @@ namespace BlackMisc
             //! \brief Register metadata
             static void registerMetadata();
 
-            //! \brief parse a string value like "100m", "10.3Mhz"
-            static QVariant parse(const QString &value);
+            //! Parse a string value like "100m", "10.3Mhz"
+            static QVariant parseToVariant(const QString &value);
 
-            //! \brief parse into concrete type
-            template <class PQ> static const PQ parse(const QString &symbol)
+            //! Parse into concrete type
+            template <class PQ> static PQ parse(const QString &value)
             {
                 PQ invalid;
-                if (symbol.isEmpty()) return invalid;
-                QVariant qv = CPqString::parse(symbol);
+                invalid.setNull();
+                if (value.isEmpty()) return invalid;
+                QVariant qv = CPqString::parseToVariant(value);
                 if (!qv.isNull() && qv.canConvert<PQ>())
                 {
                     return qv.value<PQ>();