diff --git a/libAACdec/src/ldfiltbank.cpp b/libAACdec/src/ldfiltbank.cpp
index 66a5914..c7d2928 100644
--- a/libAACdec/src/ldfiltbank.cpp
+++ b/libAACdec/src/ldfiltbank.cpp
@@ -216,6 +216,7 @@ int InvMdctTransformLowDelay_fdk(FIXP_DBL *mdctData, const int mdctData_e,
   int scale = mdctData_e + MDCT_OUT_HEADROOM -
               LDFB_HEADROOM; /* The LDFB_HEADROOM is compensated inside
                                 multE2_DinvF_fdk() below */
+  int i;
 
   /* Select LD window slope */
   switch (N) {
@@ -261,10 +262,11 @@ int InvMdctTransformLowDelay_fdk(FIXP_DBL *mdctData, const int mdctData_e,
   }
 
   if (gain != (FIXP_DBL)0) {
-    scaleValuesWithFactor(mdctData, gain, N, scale);
-  } else {
-    scaleValues(mdctData, N, scale);
+    for (i = 0; i < N; i++) {
+      mdctData[i] = fMult(mdctData[i], gain);
+    }
   }
+  scaleValuesSaturate(mdctData, N, scale);
 
   /* Since all exponent and factors have been applied, current exponent is zero.
    */