diff --git a/hs_detection/detect/Detection.cpp b/hs_detection/detect/Detection.cpp
index db20f7f..2f52779 100644
--- a/hs_detection/detect/Detection.cpp
+++ b/hs_detection/detect/Detection.cpp
@@ -61,8 +61,8 @@ namespace HSDetection
         delete[] spikeArea;
         delete[] hasAHP;
 
-        delete[] scale;
-        delete[] offset;
+        operator delete[](scale, align_val_t(channelAlign * sizeof(IntVolt)));
+        operator delete[](offset, align_val_t(channelAlign * sizeof(IntVolt)));
     }
 
     void Detection::step(FloatRaw *traceBuffer, IntFrame chunkStart, IntFrame chunkLen)
diff --git a/hs_detection/detect/RollingArray.h b/hs_detection/detect/RollingArray.h
index e451dc9..c492359 100644
--- a/hs_detection/detect/RollingArray.h
+++ b/hs_detection/detect/RollingArray.h
@@ -32,7 +32,7 @@ namespace HSDetection
         {
             arrayBuffer = new (memAlign) IntVolt[(IntCalc)(frameMask + 1) * numChannels];
         }
-        ~RollingArray() { delete[] arrayBuffer; }
+        ~RollingArray() { operator delete[](arrayBuffer, memAlign); }
 
         // copy constructor deleted to protect buffer
         RollingArray(const RollingArray &) = delete;