diff --git a/extract/ExtCell.c b/extract/ExtCell.c
index d2289dd6..bb470f6a 100644
--- a/extract/ExtCell.c
+++ b/extract/ExtCell.c
@@ -112,7 +112,7 @@ ExtCell(def, outName, doLength)
 	TxError("Cannot open output file: ");
 	perror(filename);
 #endif
-	return;
+	return NULL;
     }
 
     extNumFatal = extNumWarnings = 0;
diff --git a/utils/ihash.h b/utils/ihash.h
index 9c5d3f34..3efe01cf 100644
--- a/utils/ihash.h
+++ b/utils/ihash.h
@@ -50,6 +50,7 @@ static __inline__ int IHashAlignedSize(int size)
     int result;
     /* Expand size to be double-word (64 bit) aligned */
     result = ((size + 7) / 8) * 8;
+    return result;
 }
 
 /* The IHashTable struct should not be manipulated directly by clients */