diff --git a/rtengine/improcfun.cc b/rtengine/improcfun.cc
index 2e8c800be..3b8b14dff 100644
--- a/rtengine/improcfun.cc
+++ b/rtengine/improcfun.cc
@@ -2546,15 +2546,14 @@ void ImProcFunctions::rgbProc(Imagefloat* working, LabImage* lab, PipetteBuffer
                         }
                     }
                 } else {
-                    float tmpr[4] ALIGNED16;
-                    float tmpg[4] ALIGNED16;
-                    float tmpb[4] ALIGNED16;
-
                     for (int i = istart, ti = 0; i < tH; i++, ti++) {
                         int j = jstart, tj = 0;
 #ifdef __SSE2__
+                        float tmpr[4] ALIGNED16;
+                        float tmpg[4] ALIGNED16;
+                        float tmpb[4] ALIGNED16;
 
-                        for (; j < tW - 3; j += 4, tj += 4) {
+                        for (; j < tW - 3; j+=4, tj+=4) {
                             //brightness/contrast
                             STVF(tmpr[0], tonecurve(LVF(rtemp[ti * TS + tj])));
                             STVF(tmpg[0], tonecurve(LVF(gtemp[ti * TS + tj])));