diff --git a/src/Mod/Path/libarea/kurve/kurve.cpp b/src/Mod/Path/libarea/kurve/kurve.cpp
index 39f8d3f1cc..41c3cb0d78 100644
--- a/src/Mod/Path/libarea/kurve/kurve.cpp
+++ b/src/Mod/Path/libarea/kurve/kurve.cpp
@@ -1345,7 +1345,7 @@ return;
 		return m_nVertices - kReduced.m_nVertices;
 
 #else 
-		int dir1, dir2;
+		int dir1 = 0, dir2 = 0;
 		Point p0, p1, p2, pc0, pc1, pc2;
 		int vertex = 0;
 		int dir0 = Get(vertex++, p0, pc0);		// first vertex