diff --git a/src/Mod/PartDesign/App/FeaturePolarPattern.cpp b/src/Mod/PartDesign/App/FeaturePolarPattern.cpp
index 653718d6a..a490ff4f3 100644
--- a/src/Mod/PartDesign/App/FeaturePolarPattern.cpp
+++ b/src/Mod/PartDesign/App/FeaturePolarPattern.cpp
@@ -75,7 +75,7 @@ const std::list<gp_Trsf> PolarPattern::getTransformations(const std::vector<App:
     bool reversed = Reversed.getValue();
 
     double offset;
-    if (std::abs(angle - 360.0) < Precision::Confusion())
+    if (std::fabs(angle - 360.0) < Precision::Confusion())
         offset = Base::toRadians<double>(angle) / occurrences; // Because e.g. two occurrences in 360 degrees need to be 180 degrees apart
     else
         offset = Base::toRadians<double>(angle) / (occurrences - 1);