diff --git a/thiersort.h b/thiersort.h
index 797de2f..9f52e68 100644
--- a/thiersort.h
+++ b/thiersort.h
@@ -581,7 +581,7 @@ static inline void ts_quicksort_inplace(
 
 	/* Just simple recursion for now */
 	ts_quicksort_inplace(arr, from, left, lt, reent_data);
-	ts_quicksort_inplace(arr, left, to, lt, reent_data);
+	ts_quicksort_inplace(arr, left + 1, to, lt, reent_data);
 }	
 
 /**
@@ -622,7 +622,7 @@ static inline void ts_quicksort_fromto(
 
 	/* Can use inplace steps from now on */
 	ts_quicksort_inplace(dst, from, li, lt, reent_data);
-	ts_quicksort_inplace(dst, li, to, lt, reent_data);
+	ts_quicksort_inplace(dst, li + 1, to, lt, reent_data);
 }
 
 /** Internal code reuse (type-branches should be optimized out) */