diff --git a/cmake/install.cmake b/cmake/install.cmake
index 9d837ac536c9..8c96981da8b3 100644
--- a/cmake/install.cmake
+++ b/cmake/install.cmake
@@ -12,6 +12,10 @@ foreach (_target IN LISTS _pc_target_list)
   string(CONCAT _protobuf_PC_REQUIRES "${_protobuf_PC_REQUIRES}" "${_sep}" "${_target}")
   set(_sep " ")
 endforeach ()
+set(_protobuf_PC_CFLAGS)
+if (protobuf_BUILD_SHARED_LIBS)
+  set(_protobuf_PC_CFLAGS -DPROTOBUF_USE_DLLS)
+endif ()
 
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/protobuf.pc.cmake
                ${CMAKE_CURRENT_BINARY_DIR}/protobuf.pc @ONLY)
diff --git a/cmake/protobuf-lite.pc.cmake b/cmake/protobuf-lite.pc.cmake
index 7f88046998ea..47d911b303fa 100644
--- a/cmake/protobuf-lite.pc.cmake
+++ b/cmake/protobuf-lite.pc.cmake
@@ -9,5 +9,5 @@ Version: @protobuf_VERSION@
 Requires: @_protobuf_PC_REQUIRES@
 Requires.private: @_protobuf_PC_REQUIRES_PRIVATE@
 Libs: -L${libdir} -lprotobuf-lite @CMAKE_THREAD_LIBS_INIT@
-Cflags: -I${includedir}
+Cflags: -I${includedir} @_protobuf_PC_CFLAGS@
 Conflicts: protobuf
diff --git a/cmake/protobuf.pc.cmake b/cmake/protobuf.pc.cmake
index b3cda920757c..8f6b78c28c64 100644
--- a/cmake/protobuf.pc.cmake
+++ b/cmake/protobuf.pc.cmake
@@ -9,5 +9,5 @@ Version: @protobuf_VERSION@
 Requires: @_protobuf_PC_REQUIRES@
 Requires.private: @_protobuf_PC_REQUIRES_PRIVATE@
 Libs: -L${libdir} -lprotobuf @CMAKE_THREAD_LIBS_INIT@
-Cflags: -I${includedir}
+Cflags: -I${includedir} @_protobuf_PC_CFLAGS@
 Conflicts: protobuf-lite