diff --git a/.github/workflows/linux-master.yml b/.github/workflows/linux-master.yml
index 24fc3b9b..6718bec4 100644
--- a/.github/workflows/linux-master.yml
+++ b/.github/workflows/linux-master.yml
@@ -143,6 +143,11 @@ jobs:
       run: |
         bundle exec rake build
 
+    - name: Run wxRuby3 post-build checks
+      if: matrix.wxr_type != 'gem'
+      run: |
+        ruby tools/check_swig_types.rb
+
     - name: Build wxRuby3 gem
       if: matrix.wxr_type == 'gem' || matrix.wxr_type == 'bingem'
       run: |
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 54703871..67309765 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -224,6 +224,11 @@ jobs:
       run: |
         bundle exec rake build
 
+    - name: Run wxRuby3 post-build checks
+      if: matrix.wxr_type != 'gem'
+      run: |
+        ruby tools/check_swig_types.rb
+
     - name: Build wxRuby3 gem
       if: matrix.wxr_type == 'gem' || matrix.wxr_type == 'bingem'
       run: |
diff --git a/.github/workflows/mac.yml b/.github/workflows/mac.yml
index 00a0043c..acf04df9 100644
--- a/.github/workflows/mac.yml
+++ b/.github/workflows/mac.yml
@@ -274,6 +274,11 @@ jobs:
       run: |
         bundle exec rake build
 
+    - name: Run wxRuby3 post-build checks
+      if: matrix.wxr_type != 'gem'
+      run: |
+        ruby tools/check_swig_types.rb
+
     - name: Build wxRuby3 gem
       if: matrix.wxr_type == 'gem' || matrix.wxr_type == 'bingem'
       run: |
diff --git a/.github/workflows/msw-master.yml b/.github/workflows/msw-master.yml
index 01ed1c1c..778e102a 100644
--- a/.github/workflows/msw-master.yml
+++ b/.github/workflows/msw-master.yml
@@ -115,6 +115,11 @@ jobs:
         run: |
           bundle exec rake build
 
+      - name: Run wxRuby3 post-build checks
+        if: matrix.wxr_type != 'gem'
+        run: |
+          ruby tools/check_swig_types.rb
+
       - name: Build wxRuby3 gem
         if: matrix.wxr_type != 'develop'
         run: |
diff --git a/.github/workflows/msw.yml b/.github/workflows/msw.yml
index b2d5718f..895392ae 100644
--- a/.github/workflows/msw.yml
+++ b/.github/workflows/msw.yml
@@ -170,6 +170,11 @@ jobs:
         run: |
           bundle exec rake build
 
+      - name: Run wxRuby3 post-build checks
+        if: matrix.wxr_type != 'gem'
+        run: |
+          ruby tools/check_swig_types.rb
+
       - name: Build wxRuby3 gem
         if: matrix.wxr_type != 'develop'
         run: |
diff --git a/tools/check_swig_types.rb b/tools/check_swig_types.rb
index 3cff0425..112879ad2 100644
--- a/tools/check_swig_types.rb
+++ b/tools/check_swig_types.rb
@@ -55,7 +55,7 @@ def scan_sources
       end
     end
 
-    def check_types(quiet)
+    def check_types(verbose)
       un_wrapped = SWIG_TYPES_USED - SWIG_TYPES_WRAPPED
       un_used = SWIG_TYPES_WRAPPED - SWIG_TYPES_USED
 
@@ -66,7 +66,7 @@ def check_types(quiet)
         STDERR.puts
       end
 
-      unless un_used.empty? || quiet
+      unless un_used.empty? || !verbose
         STDOUT.puts "INFO: The following types have wrapper classes defined not used in wrapper code:"
         un_used.each { |s| STDOUT.puts "\t#{s}" }
         STDOUT.puts
@@ -75,14 +75,14 @@ def check_types(quiet)
 
   end
 
-  def self.run(quiet)
+  def self.run(verbose)
     scan_sources
 
-    check_types(quiet)
+    check_types(verbose)
   end
 
 end
 
-Tool.run(ARGV.size==1 && ARGV[0]=='-q')
+Tool.run(ARGV.size==1 && ARGV[0]=='-v')
 
 exit(1) if Tool.errors?