diff --git a/windows1809/cuda-devel/Dockerfile b/windows1809/cuda-devel/Dockerfile
index bdde4d43666f0a6cbb3d71147b5db68398403ad2..76c2434a4fea3363d3d7d4804b655381cc9f28a1 100644
--- a/windows1809/cuda-devel/Dockerfile
+++ b/windows1809/cuda-devel/Dockerfile
@@ -14,8 +14,7 @@ COPY opengl32.dll C:/Windows/System32/opengl32.dll
 COPY glu32.dll C:/Windows/System32/glu32.dll
 COPY ddraw.dll C:/Windows/System32/ddraw.dll
 COPY nvcuda.dll C:/Windows/System32/nvcuda.dll
-RUN . $Profile; \
-    cd $env:VCPKG_DIR; \
+RUN cd $env:VCPKG_DIR; \
     $vcpkg_triplet = 'x64-windows-14.16'; \
     Must-Run ./vcpkg install --triplet "$vcpkg_triplet"  \
         libepoxy \
diff --git a/windows1809/devel/Dockerfile b/windows1809/devel/Dockerfile
index 2a772e08fd86f6846c1330df2ea8ae9ae5d82ea6..68eb25a424d447215a2daf773d767b04c1ac709c 100644
--- a/windows1809/devel/Dockerfile
+++ b/windows1809/devel/Dockerfile
@@ -3,8 +3,7 @@ FROM git.imp.fu-berlin.de:5000/bioroboticslab/robofish/docker:base-windows1809
 COPY opengl32.dll C:/Windows/System32/opengl32.dll
 COPY glu32.dll C:/Windows/System32/glu32.dll
 COPY ddraw.dll C:/Windows/System32/ddraw.dll
-RUN . $Profile; \
-    cd $env:VCPKG_DIR; \
+RUN cd $env:VCPKG_DIR; \
     $vcpkg_triplet = 'x64-windows-14.16'; \
     Must-Run ./vcpkg install --triplet "$vcpkg_triplet"  \
         libepoxy \