diff --git a/appveyor.yml b/appveyor.yml
index 214deee2..b2cf4ff2 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -26,7 +26,7 @@ install:
 before_build:
     - md build
     - cd build
-    - cmake -G "Visual Studio 17 2022" -A x64 -T v143,host=x64,cuda="%ProgramFiles%\NVIDIA GPU Computing Toolkit\CUDA\v12.5" -DBUILD_SHARED_LIBS=%DBUILD_SHARED_LIBS% -DPopSift_USE_NVTX_PROFILING:BOOL=OFF -DPopSift_USE_GRID_FILTER:BOOL=OFF -DPopSift_BUILD_DOCS:BOOL=OFF -DPopSift_USE_POSITION_INDEPENDENT_CODE:BOOL=%DBUILD_SHARED_LIBS% -DPopSift_BUILD_EXAMPLES:BOOL=ON -DCMAKE_BUILD_TYPE=%configuration% -DCMAKE_TOOLCHAIN_FILE=c:/tools/vcpkg/scripts/buildsystems/vcpkg.cmake ..
+    - cmake -G "Visual Studio 17 2022" -A x64 -T v143,host=x64,cuda="%ProgramFiles%\NVIDIA GPU Computing Toolkit\CUDA\v12.5" -DBUILD_SHARED_LIBS:BOOL=ON -DPopSift_USE_NVTX_PROFILING:BOOL=OFF -DPopSift_USE_GRID_FILTER:BOOL=OFF -DPopSift_BUILD_DOCS:BOOL=OFF -DPopSift_USE_POSITION_INDEPENDENT_CODE:BOOL=%DBUILD_SHARED_LIBS% -DPopSift_BUILD_EXAMPLES:BOOL=ON -DCMAKE_BUILD_TYPE=%configuration% -DCMAKE_TOOLCHAIN_FILE=c:/tools/vcpkg/scripts/buildsystems/vcpkg.cmake ..
     - ls -l
 
 build:
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 682a8831..ff3b3681 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,5 +1,6 @@
+# Do not specify SHARED or STATIC in add_library. Let the variable BUILD_SHARED_LIBS determine this.
 
-add_library(popsift SHARED
+add_library(popsift
         popsift/popsift.cu popsift/popsift.h
         popsift/features.cu popsift/features.h
         popsift/sift_constants.cu popsift/sift_constants.h