diff --git a/src/control/Curves.cpp b/src/control/Curves.cpp
index 623ab040..0a01a7aa 100644
--- a/src/control/Curves.cpp
+++ b/src/control/Curves.cpp
@@ -19,7 +19,7 @@ void CCurves::CalcCurvePoint(CVector* pPos1, CVector* pPos2, CVector* pDir1, CVe
 	float actualFactor = CalcSpeedScaleFactor(pPos1, pPos2, pDir1->x, pDir1->y, pDir2->x, pDir2->y);
 	CVector2D dir1 = *pDir1 * actualFactor;
 	CVector2D dir2 = *pDir2 * actualFactor;
-	float curveCoef = 0.5f - 0.5f * cos(3.1415f * between);
+	float curveCoef = 0.5f - 0.5f * Cos(3.1415f * between);
 	*pOutPos = CVector(
 		(pPos1->x + between * dir1.x) * (1.0f - curveCoef) + (pPos2->x - (1 - between) * dir2.x) * curveCoef,
 		(pPos1->y + between * dir1.y) * (1.0f - curveCoef) + (pPos2->y - (1 - between) * dir2.y) * curveCoef,
diff --git a/src/core/templates.h b/src/core/templates.h
index 69844fa4..4f7b8490 100644
--- a/src/core/templates.h
+++ b/src/core/templates.h
@@ -131,7 +131,7 @@ public:
 		// TODO: the cast is unsafe
 		return (int)((U*)entry - m_entries);
 	}
-	int GetNoOfUsedSpaces(void){
+	int GetNoOfUsedSpaces(void) const{
 		int i;
 		int n = 0;
 		for(i = 0; i < m_size; i++)