diff --git a/src/Mod/Surface/App/Blending/BlendCurve.cpp b/src/Mod/Surface/App/Blending/BlendCurve.cpp
index b03a2a3061..7af7a67ab0 100644
--- a/src/Mod/Surface/App/Blending/BlendCurve.cpp
+++ b/src/Mod/Surface/App/Blending/BlendCurve.cpp
@@ -47,9 +47,11 @@ BlendCurve::BlendCurve(const std::vector<BlendPoint>& blendPointsList)
     if (nb_pts > 2) {
         throw Base::NotImplementedError("Not implemented");
     }
-    else if (nb_pts < 2) {
+
+    if (nb_pts < 2) {
         throw Base::ValueError("Need two points for working");
     }
+
     blendPoints = blendPointsList;
 }
 
diff --git a/src/Mod/Surface/App/Blending/BlendCurve.h b/src/Mod/Surface/App/Blending/BlendCurve.h
index b73c871e6e..f3da60cf3b 100644
--- a/src/Mod/Surface/App/Blending/BlendCurve.h
+++ b/src/Mod/Surface/App/Blending/BlendCurve.h
@@ -42,7 +42,7 @@ public:
     *  Constructor
     *\param std::vector<BlendPoint>
     */
-    BlendCurve(const std::vector<BlendPoint>& blendPointsList);
+    explicit BlendCurve(const std::vector<BlendPoint>& blendPointsList);
     ~BlendCurve() = default;
     /*!
     *  Perform the interpolate algorithm
diff --git a/src/Mod/Surface/App/Blending/BlendPoint.h b/src/Mod/Surface/App/Blending/BlendPoint.h
index d775897b01..20b12706a0 100644
--- a/src/Mod/Surface/App/Blending/BlendPoint.h
+++ b/src/Mod/Surface/App/Blending/BlendPoint.h
@@ -33,9 +33,9 @@ namespace Surface
 {
 
 /*!
-*   Create a list of vectors formed by a point and some derivatives 
+*   Create a list of vectors formed by a point and some derivatives
 *   obtained from a curve or surface
-*/ 
+*/
 class SurfaceExport BlendPoint
 {
 public:
@@ -46,7 +46,7 @@ public:
     *  Constructor
     *\param std::vector<Base::Vector3d>
     */
-    BlendPoint(const std::vector<Base::Vector3d>& vectorList);
+    explicit BlendPoint(const std::vector<Base::Vector3d>& vectorList);
     ~BlendPoint() = default;
     /*!
     *  Scale the blendpoint vectors
diff --git a/src/Mod/Surface/Gui/Command.cpp b/src/Mod/Surface/Gui/Command.cpp
index 9a89a24811..c163af04fd 100644
--- a/src/Mod/Surface/Gui/Command.cpp
+++ b/src/Mod/Surface/Gui/Command.cpp
@@ -212,8 +212,8 @@ CmdSurfaceCurveOnMesh::CmdSurfaceCurveOnMesh()
 
 void CmdSurfaceCurveOnMesh::activated(int)
 {
-    doCommand(Doc,"import MeshPartGui, FreeCADGui\n"
-                  "FreeCADGui.runCommand('MeshPart_CurveOnMesh')\n");
+    doCommand(Doc, "import MeshPartGui, FreeCADGui\n"
+                   "FreeCADGui.runCommand('MeshPart_CurveOnMesh')\n");
 }
 
 bool CmdSurfaceCurveOnMesh::isActive()
@@ -367,7 +367,7 @@ void CmdSurfaceExtendFace::activated(int)
             std::string FeatName = getUniqueObjectName("Surface");
             std::string supportString = faceFilter.Result[0][0].getAsPropertyLinkSubString();
             doCommand(Doc, "App.ActiveDocument.addObject(\"Surface::Extend\",\"%s\")", FeatName.c_str());
-            doCommand(Doc, "App.ActiveDocument.%s.Face = %s",FeatName.c_str(),supportString.c_str());
+            doCommand(Doc, "App.ActiveDocument.%s.Face = %s", FeatName.c_str(), supportString.c_str());
             updateActive();
             commitCommand();
         }