diff --git a/ApplicationCode/ProjectDataModel/RimWellLogExtractionCurveImpl.cpp b/ApplicationCode/ProjectDataModel/RimWellLogExtractionCurveImpl.cpp
index 33fd92dacb..2ab80fcb27 100644
--- a/ApplicationCode/ProjectDataModel/RimWellLogExtractionCurveImpl.cpp
+++ b/ApplicationCode/ProjectDataModel/RimWellLogExtractionCurveImpl.cpp
@@ -19,8 +19,12 @@
 
 #include "RimWellLogExtractionCurveImpl.h"
 
+#include "cvfBase.h"
+#include "cvfMath.h"
 #include "cvfAssert.h"
 
+#include <cmath> // Needed for HUGE_VAL on Linux
+
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------
@@ -99,7 +103,7 @@ void RimWellLogExtractionCurveImpl::validDepthValuesIntervals(const std::vector<
     size_t intStartIdx = startIdx;
     for (size_t vIdx = startIdx + 1; vIdx < stopIdx; vIdx += 2)
     {
-        if (abs(depthValues[vIdx + 1] - depthValues[vIdx]) > depthDiffTolerance)
+        if (cvf::Math::abs(depthValues[vIdx + 1] - depthValues[vIdx]) > depthDiffTolerance)
         {
             intervals.push_back(std::make_pair(intStartIdx, vIdx));
             intStartIdx = vIdx + 1;
diff --git a/ApplicationCode/ProjectDataModel/RimWellLogExtractionCurveImpl.h b/ApplicationCode/ProjectDataModel/RimWellLogExtractionCurveImpl.h
index a8266f1578..31ff8a63d2 100644
--- a/ApplicationCode/ProjectDataModel/RimWellLogExtractionCurveImpl.h
+++ b/ApplicationCode/ProjectDataModel/RimWellLogExtractionCurveImpl.h
@@ -20,6 +20,7 @@
 #pragma once
 
 #include <vector>
+#include <cstddef>
 
 
 //==================================================================================================