diff --git a/.github/workflows/Builder.yml b/.github/workflows/Builder.yml
index 09168bf2..7fd84e7f 100644
--- a/.github/workflows/Builder.yml
+++ b/.github/workflows/Builder.yml
@@ -90,11 +90,9 @@ jobs:
           cp py4pd.m_amd64 py4pd\
           cp py4pd.m_amd64 test\py4pd\py4pd.m_amd64
 
-      - name: Run tests
+      - name: Tests
         shell: cmd
-        run: |
-          cd test
-          python3 runTests.py
+        run: cd test && python3 runTests.py
 
       - name: Upload Object ZIP
         uses: actions/upload-artifact@v3
diff --git a/Makefile b/Makefile
index 9d1c9945..6fc727c2 100755
--- a/Makefile
+++ b/Makefile
@@ -9,8 +9,8 @@ ifeq (MINGW,$(findstring MINGW,$(uname)))
 	PYTHON_PATH := $(shell cat pythonpath.txt)
 	NUMPY_INCLUDE := $(shell cat numpyincludes.txt)
 	PYTHON_DLL := $(PYTHON_PATH)/python311.dll
-	cflags = -l dl -I '$(PYTHON_INCLUDE)' -I '$(NUMPY_INCLUDE)' -Wno-cast-function-type -Wno-unused-variable 
-	ldlibs =  '$(PYTHON_DLL)' -lwinpthread -Xlinker --export-all-symbols
+	cflags = -I '$(PYTHON_INCLUDE)' -I '$(NUMPY_INCLUDE)' -Wno-cast-function-type -Wno-unused-variable 
+	ldlibs =  '$(PYTHON_DLL)' -lwinpthread 
 
 # =================================== Linux =====================================
 else ifeq (Linux,$(findstring Linux,$(uname)))
diff --git a/src/py4pd.c b/src/py4pd.c
index b4d0d16f..01a52d6c 100644
--- a/src/py4pd.c
+++ b/src/py4pd.c
@@ -1142,3 +1142,7 @@ void py4pd_setup(void) {
                     gensym("detach"), 0);
 #endif
 }
+
+#ifdef __WIN64
+    __declspec(dllexport) void py4pd_setup(void);
+#endif
\ No newline at end of file