diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5bad59d49..561ce07a8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -130,7 +130,7 @@ jobs:
 
     - name: Configure CMake
       working-directory: ${{github.workspace}}/build
-      run: cmake -D FLTK_USE_SYSTEM_LIBJPEG:BOOL=OFF -D FLTK_USE_SYSTEM_LIBPNG:BOOL=OFF -D FLTK_USE_SYSTEM_ZLIB:BOOL=OFF ..
+      run: cmake -D FLTK_USE_SYSTEM_LIBJPEG:BOOL=OFF -D FLTK_USE_SYSTEM_LIBPNG:BOOL=OFF -D FLTK_USE_SYSTEM_ZLIB:BOOL=OFF -DFLTK_BUILD_SHARED_LIBS:BOOL=ON ..
 
     - name: Build
       working-directory: ${{github.workspace}}/build
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e4f2306cd..dfbdfa235 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -930,7 +930,7 @@ if(FLTK_BUILD_SHARED_LIBS AND MSVC)
 
   if(OPENGL_FOUND)
     target_link_libraries(fltk-shared PUBLIC ${OPENGL_LIBRARIES})
-    target_include_directories(fltk_gl-shared PUBLIC ${OPENGL_INCLUDE_DIR} ${OPENGL_INCLUDE_DIRS})
+    target_include_directories(fltk-shared PUBLIC ${OPENGL_INCLUDE_DIR} ${OPENGL_INCLUDE_DIRS})
     if(OPENGL_GLU_INCLUDE_DIR)
       target_include_directories(fltk-shared PUBLIC ${OPENGL_GLU_INCLUDE_DIR})
     endif()