diff --git a/src/Mod/Sketcher/App/planegcs/Constraints.cpp b/src/Mod/Sketcher/App/planegcs/Constraints.cpp
index 59e4f5ea7..3e07e89c6 100644
--- a/src/Mod/Sketcher/App/planegcs/Constraints.cpp
+++ b/src/Mod/Sketcher/App/planegcs/Constraints.cpp
@@ -89,10 +89,10 @@ int Constraint::findParamInPvec(double *param)
     int ret = -1;
     for( std::size_t i=0 ; i<pvec.size() ; i++ ){
         if ( param == pvec[i] ) {
-            ret = i;
+            ret = static_cast<int>(i);
             break;
-        };
-    };
+        }
+    }
     return ret;
 }
 
diff --git a/src/Mod/Sketcher/App/planegcs/SubSystem.cpp b/src/Mod/Sketcher/App/planegcs/SubSystem.cpp
index e6bb83212..f7da63fa3 100644
--- a/src/Mod/Sketcher/App/planegcs/SubSystem.cpp
+++ b/src/Mod/Sketcher/App/planegcs/SubSystem.cpp
@@ -48,7 +48,7 @@ SubSystem::~SubSystem()
 
 void SubSystem::initialize(VEC_pD &params, MAP_pD_pD &reductionmap)
 {
-    csize = clist.size();
+    csize = static_cast<int>(clist.size());
 
     // tmpplist will contain the subset of parameters from params that are
     // relevant for the constraints listed in clist
@@ -95,7 +95,7 @@ void SubSystem::initialize(VEC_pD &params, MAP_pD_pD &reductionmap)
     else
         plist = tmpplist;
 
-    psize = plist.size();
+    psize = static_cast<int>(plist.size());
     pvals.resize(psize);
     pmap.clear();
     for (int j=0; j < psize; j++) {