diff --git a/common/lines.c b/common/lines.c
index 8b15e79..adf1479 100644
--- a/common/lines.c
+++ b/common/lines.c
@@ -2507,7 +2507,7 @@ miLineProjectingCap (GCPtr pGC, Boolean foreground,
 {
     int xorgi = 0, yorgi = 0;
     int lw;
-    PolyEdgeRec lefts[2], rights[2];
+    PolyEdgeRec lefts[4], rights[4];
     int lefty, righty, topy, bottomy;
     PolyEdgePtr left, right;
     PolyEdgePtr top, bottom;
@@ -2665,7 +2665,7 @@ miWideSegment (GCPtr pGC,
     PolyEdgePtr top, bottom;
     int lefty, righty, topy, bottomy;
     int signdx;
-    PolyEdgeRec lefts[2], rights[2];
+    PolyEdgeRec lefts[4], rights[4];
     LineFacePtr tface;
     int lw = pGC->lineWidth;
 
@@ -2982,7 +2982,7 @@ miWideDashSegment (GCPtr pGC,
     PolyVertexRec vertices[4];
     PolyVertexRec saveRight = { 0 }, saveBottom;
     PolySlopeRec slopes[4];
-    PolyEdgeRec left[2], right[2];
+    PolyEdgeRec left[4], right[4];
     LineFaceRec lcapFace, rcapFace;
     int nleft, nright;
     int h;