diff --git a/utils/soca/gdas_soca_diagb.h b/utils/soca/gdas_soca_diagb.h
index 4da1215b6..563d303b9 100644
--- a/utils/soca/gdas_soca_diagb.h
+++ b/utils/soca/gdas_soca_diagb.h
@@ -366,7 +366,7 @@ namespace gdasapp {
             // Loops through nodes and levels
             for (atlas::idx_t level = 0; level < xbFs[var].shape(1); ++level) {
               for (atlas::idx_t jnode = 0;
-		jnode < xbFs["sea_water_potential_temperature"].shape(0); ++jnode) {
+                jnode < xbFs["sea_water_potential_temperature"].shape(0); ++jnode) {
                 // Early exit if on a ghost cell
                 if (ghostView(jnode) > 0) {
                   continue;
@@ -405,7 +405,7 @@ namespace gdasapp {
             auto tmpArray(stdDevBkg);
             for (int iter = 0; iter < configD.niterVert; ++iter) {
               for (atlas::idx_t jnode = 0;
-		jnode < xbFs["sea_water_potential_temperature"].shape(0); ++jnode) {
+                jnode < xbFs["sea_water_potential_temperature"].shape(0); ++jnode) {
                 for (atlas::idx_t level = 1; level < xbFs[var].shape(1)-1; ++level) {
                   stdDevBkg(jnode, level) = (tmpArray(jnode, level-1) +
                                              tmpArray(jnode, level) +
@@ -427,7 +427,7 @@ namespace gdasapp {
         // Create the diffusion object
         oops::GeometryData geometryData(geom.functionSpace(),
                                         bkgErrFs["sea_water_potential_temperature"],
-					true, this->getComm());
+                                        true, this->getComm());
         oops::Diffusion diffuse(geometryData);
         diffuse.calculateDerivedGeom(geometryData);