diff --git a/algorithms/@MR_spectroS/getPpmVector.m b/algorithms/@MR_spectroS/getPpmVector.m
index 118f1302604744651ee8b6f79bf2bfe6928baf0f..46ac40a1e3bb147bc527025f3cbcedce5ab23e89 100644
--- a/algorithms/@MR_spectroS/getPpmVector.m
+++ b/algorithms/@MR_spectroS/getPpmVector.m
@@ -10,7 +10,7 @@ bw     = linspace(-bw/2,bw/2,size(this.Data{1},this.kx_dim) * zeroFillFactor);
 if strcmp(this.Parameter.Headers.Nucleus,'31P')
     ppm    = bw/(txFreq*1e-6);
 else
-    ppm    = bw/(txFreq*1e-6) + 4.7;
+    ppm    = bw/(txFreq*1e-6) + 4.66;
 end
 
 end
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