diff --git a/rtengine/dcraw.cc b/rtengine/dcraw.cc
index 81013bc0b..943d5a96a 100644
--- a/rtengine/dcraw.cc
+++ b/rtengine/dcraw.cc
@@ -6463,6 +6463,9 @@ guess_cfa_pc:
 	xyz[2] = 1 - xyz[0] - xyz[1];
 	FORC3 xyz[c] /= d65_white[c];
 	break;
+      case 50730:                       /* BaselineExposure */
+        if (dng_version) RT_baseline_exposure = getreal(type);
+        break;
       case 50740:			/* DNGPrivateData */
 	if (dng_version) break;
 	parse_minolta (j = get4()+base);
diff --git a/rtengine/dcraw.h b/rtengine/dcraw.h
index e1b296dbf..c3794ea5f 100644
--- a/rtengine/dcraw.h
+++ b/rtengine/dcraw.h
@@ -58,6 +58,7 @@ public:
     ,RT_whitelevel_from_constant(ThreeValBool::X)
     ,RT_blacklevel_from_constant(ThreeValBool::X)
     ,RT_matrix_from_constant(ThreeValBool::X)
+    ,RT_baseline_exposure(0)
 	,getbithuff(this,ifp,zero_after_ff)
 	,nikbithuff(ifp)
     {
@@ -154,6 +155,7 @@ protected:
     ThreeValBool RT_blacklevel_from_constant;
     ThreeValBool RT_matrix_from_constant;
     std::string RT_software;
+    double RT_baseline_exposure;
 
     float cam_mul[4], pre_mul[4], cmatrix[3][4], rgb_cam[3][4];
 
diff --git a/rtengine/rawimage.h b/rtengine/rawimage.h
index 7595ad196..f6b8190e4 100644
--- a/rtengine/rawimage.h
+++ b/rtengine/rawimage.h
@@ -125,6 +125,8 @@ public:
     float** data;             // holds pixel values, data[i][j] corresponds to the ith row and jth column
     unsigned prefilters;               // original filters saved ( used for 4 color processing )
     unsigned int getFrameCount() const { return is_raw; }
+
+    double getBaselineExposure() const { return RT_baseline_exposure; }
 protected:
     Glib::ustring filename; // complete filename
     int rotate_deg; // 0,90,180,270 degree of rotation: info taken by dcraw from exif
diff --git a/rtengine/rawimagesource.cc b/rtengine/rawimagesource.cc
index 502da8073..c917ac179 100644
--- a/rtengine/rawimagesource.cc
+++ b/rtengine/rawimagesource.cc
@@ -716,6 +716,11 @@ void RawImageSource::getImage (const ColorTemp &ctemp, int tran, Imagefloat* ima
     gm /= area;
     bm /= area;
     bool doHr = (hrp.hrenabled && hrp.method != "Color");
+    const float expcomp = std::pow(2, ri->getBaselineExposure());
+    rm *= expcomp;
+    gm *= expcomp;
+    bm *= expcomp;
+    
 #ifdef _OPENMP
     #pragma omp parallel if(!d1x)       // omp disabled for D1x to avoid race conditions (see Issue 1088 http://code.google.com/p/rawtherapee/issues/detail?id=1088)
     {
diff --git a/rtengine/rtthumbnail.cc b/rtengine/rtthumbnail.cc
index afd8836a1..dd8ca4a99 100644
--- a/rtengine/rtthumbnail.cc
+++ b/rtengine/rtthumbnail.cc
@@ -567,6 +567,7 @@ Thumbnail* Thumbnail::loadFromRaw (const Glib::ustring& fname, RawMetaDataLocati
     tpp->camwbBlue = tpp->blueMultiplier / pre_mul[2]; //ri->get_pre_mul(2);
     //tpp->defGain = 1.0 / min(ri->get_pre_mul(0), ri->get_pre_mul(1), ri->get_pre_mul(2));
     tpp->defGain = max (scale_mul[0], scale_mul[1], scale_mul[2], scale_mul[3]) / min (scale_mul[0], scale_mul[1], scale_mul[2], scale_mul[3]);
+    tpp->defGain *= std::pow(2, ri->getBaselineExposure());
 
     tpp->gammaCorrected = true;