diff --git a/celt/arch.h b/celt/arch.h
index 9eedf74d287d3f4b0d2aed4711ef30a3378f7208..d1e6457c54a07c6ec5c3a030510da8ab42355008 100644
--- a/celt/arch.h
+++ b/celt/arch.h
@@ -260,9 +260,9 @@ static OPUS_INLINE int celt_isnan(float x)
 
 #ifndef GLOBAL_STACK_SIZE
 #ifdef FIXED_POINT
-#define GLOBAL_STACK_SIZE 100000
+#define GLOBAL_STACK_SIZE 120000
 #else
-#define GLOBAL_STACK_SIZE 100000
+#define GLOBAL_STACK_SIZE 120000
 #endif
 #endif