diff --git a/src/libs/agg/src/agg_bezier_arc.cpp b/src/libs/agg/src/agg_bezier_arc.cpp
index 844d300c09..faacebd959 100644
--- a/src/libs/agg/src/agg_bezier_arc.cpp
+++ b/src/libs/agg/src/agg_bezier_arc.cpp
@@ -144,7 +144,7 @@ namespace agg
         m_radii_ok = true;
 
         if(rx < 0.0) rx = -rx;
-        if(ry < 0.0) ry = -rx;
+        if(ry < 0.0) ry = -ry;
 
         // Calculate the middle point between 
         // the current and the final points
diff --git a/src/libs/agg/src/agg_rounded_rect.cpp b/src/libs/agg/src/agg_rounded_rect.cpp
index bebc063628..7f68651b73 100644
--- a/src/libs/agg/src/agg_rounded_rect.cpp
+++ b/src/libs/agg/src/agg_rounded_rect.cpp
@@ -78,8 +78,8 @@ namespace agg
     //--------------------------------------------------------------------
     void rounded_rect::normalize_radius()
     {
-        double dx = fabs(m_y2 - m_y1);
-        double dy = fabs(m_x2 - m_x1);
+        double dx = fabs(m_x2 - m_x1);
+        double dy = fabs(m_y2 - m_y1);
 
         double k = 1.0;
         double t;