diff --git a/src/modules/audio_processing/ns/main/source/ns_core.c b/src/modules/audio_processing/ns/main/source/ns_core.c
index 20425e74d9..10a1b831f7 100644
--- a/src/modules/audio_processing/ns/main/source/ns_core.c
+++ b/src/modules/audio_processing/ns/main/source/ns_core.c
@@ -872,8 +872,6 @@ int WebRtcNs_ProcessCore(NSinst_t *inst,
         deltaGainHB = deltaBweHB;
     }
     //
-    inst->blockInd++;
-    //
     updateParsFlag = inst->modelUpdatePars[0];
     //
 
@@ -980,6 +978,8 @@ int WebRtcNs_ProcessCore(NSinst_t *inst,
             return 0;
         }
 
+        //
+        inst->blockInd++; // Update the block index only when we process a block.
         // FFT
         rdft(inst->anaLen, 1, winData, inst->ip, inst->wfft);
 
diff --git a/src/modules/audio_processing/ns/main/source/nsx_core.c b/src/modules/audio_processing/ns/main/source/nsx_core.c
index 6c62d64e64..01d3e54080 100644
--- a/src/modules/audio_processing/ns/main/source/nsx_core.c
+++ b/src/modules/audio_processing/ns/main/source/nsx_core.c
@@ -1897,10 +1897,6 @@ int WebRtcNsx_ProcessCore(NsxInst_t *inst, short *speechFrame, short *speechFram
         return -1;
     }
 
-    // Update block index
-    inst->blockIndex++;
-    //
-
     // Store speechFrame and transform to frequency domain
     WebRtcNsx_DataAnalysis(inst, speechFrame, magnU16);
 
@@ -1924,6 +1920,10 @@ int WebRtcNsx_ProcessCore(NsxInst_t *inst, short *speechFrame, short *speechFram
         return 0;
     }
 
+    // Update block index when we have something to process
+    inst->blockIndex++;
+    //
+
     // Norm of magn
     qMagn = inst->normData - inst->stages;