diff --git a/.gitattributes b/.gitattributes
index 2ffce6b05..5d7726bf3 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -18,3 +18,4 @@ python/pygimli/_version.py export-subst
 *.jpg binary
 *.bms binary
 *.pdf binary
+pygimli/_version.py export-subst
diff --git a/.jenkins.sh b/.jenkins.sh
index ddd660d0c..7048a5dc7 100644
--- a/.jenkins.sh
+++ b/.jenkins.sh
@@ -24,7 +24,7 @@ python -c "import numpy; print(numpy.__version__)"
 python -c "import matplotlib; print(matplotlib.__version__)"
 
 # Check if core was changed
-core_update=$(git --git-dir=trunk/.git diff --name-only $GIT_PREVIOUS_COMMIT $GIT_COMMIT | grep -c src || true)
+core_update=$(git --git-dir=trunk/.git diff --name-only $GIT_PREVIOUS_COMMIT $GIT_COMMIT | grep -c core/src || true)
 
 # Set this to 1 if you want clean build (also of dependencies)
 export CLEAN=0
diff --git a/core/python/MANIFEST.in b/core/python/MANIFEST.in
deleted file mode 100644
index 67012a229..000000000
--- a/core/python/MANIFEST.in
+++ /dev/null
@@ -1,2 +0,0 @@
-include versioneer.py
-include pygimli/_version.py
diff --git a/doc/examples/2_seismics/plot_04_koenigsee.py b/doc/examples/2_seismics/plot_04_koenigsee.py
index ccabe88a2..897b6ab71 100644
--- a/doc/examples/2_seismics/plot_04_koenigsee.py
+++ b/doc/examples/2_seismics/plot_04_koenigsee.py
@@ -45,7 +45,7 @@
            zWeight=0.2, vTop=500, vBottom=5000,
            verbose=1)
 ax, cbar = mgr.showResult()
-mgr.showRayPaths(ax=ax, color="k", lw=0.3, alpha=0.5)
+mgr.showRayPaths(ax=ax, color="w", lw=0.3, alpha=0.5)
 
 ################################################################################
 # Show result and fit of measured data and model response.