diff --git a/libs/main/math/pifft.cpp b/libs/main/math/pifft.cpp
index 129328d0..afdbc6f2 100644
--- a/libs/main/math/pifft.cpp
+++ b/libs/main/math/pifft.cpp
@@ -1205,7 +1205,7 @@ void PIFFT_float::ftbase_ftbasegenerateplanrec(int n,
                                                ae_int_t stackptr,
                                                int debugi) {
 	int k, m, n1, n2, esize, entryoffset;
-	int ftbase_ftbaseplanentrysize    = 4;
+	int ftbase_ftbaseplanentrysize    = 8;
 	int ftbase_ftbasecffttask         = 0;
 	int ftbase_fftcooleytukeyplan     = 0;
 	int ftbase_fftbluesteinplan       = 1;