diff --git a/Src/Allocator.h b/Src/Allocator.h
index 3ba23d9d..58024901 100644
--- a/Src/Allocator.h
+++ b/Src/Allocator.h
@@ -117,7 +117,7 @@ class Allocator
 				remains=state.remains;
 			}
 			else{
-				for(int j=0;j<state.remains;j<remains){
+				for(int j=0;j<state.remains;j++){
 					memory[index][j].~T();
 					new(&memory[index][j]) T();
 				}
diff --git a/Src/Geometry.h b/Src/Geometry.h
index ea8c951c..f8188854 100644
--- a/Src/Geometry.h
+++ b/Src/Geometry.h
@@ -253,7 +253,6 @@ class Triangle{
 		double d=0;
 		int i,j;
 		for(i=0;i<3;i++){
-	  for(i=0;i<3;i++)
 			for(j=0;j<3;j++){d+=(p[(i+1)%3][j]-p[i][j])*(p[(i+1)%3][j]-p[i][j]);}
 		}
 		return Area()/d;
diff --git a/Src/SparseMatrix.inl b/Src/SparseMatrix.inl
index 763590ae..902f8fe7 100644
--- a/Src/SparseMatrix.inl
+++ b/Src/SparseMatrix.inl
@@ -209,7 +209,7 @@ SparseMatrix<T> SparseMatrix<T>::operator * (const T& V) const
 template<class T>
 SparseMatrix<T>& SparseMatrix<T>::operator *= (const T& V)
 {
-	for( int i=0 ; i<rows ; i++ ) for( int ii=0 ; ii<rowSizes[i] ; i++ ) m_ppElements[i][ii].Value *= V;
+	for( int i=0 ; i<rows ; i++ ) for( int ii=0 ; ii<rowSizes[i] ; ii++ ) m_ppElements[i][ii].Value *= V;
 	return *this;
 }