diff --git a/modules/juce_graphics/geometry/juce_Line.h b/modules/juce_graphics/geometry/juce_Line.h
index 3223f836fd..dfd95cadd9 100644
--- a/modules/juce_graphics/geometry/juce_Line.h
+++ b/modules/juce_graphics/geometry/juce_Line.h
@@ -249,9 +249,9 @@ public:
                                     can be negative or greater than 1.0).
         @see getPointAlongLine
     */
-    Point<ValueType> getPointAlongLineProportionally (ValueType proportionOfLength) const noexcept
+    Point<ValueType> getPointAlongLineProportionally (typename Point<ValueType>::FloatType proportionOfLength) const noexcept
     {
-        return start + (end - start) * proportionOfLength;
+        return start + Point<ValueType> ((end - start) * proportionOfLength);
     }
 
     /** Returns the smallest distance between this line segment and a given point.