diff --git a/meson.build b/meson.build
index 9a98f0c86a0..ff51fab280c 100644
--- a/meson.build
+++ b/meson.build
@@ -930,17 +930,24 @@ tcl_version = get_option('tcl_version')
 tcl_dep = not_found_dep
 if not tclopt.disabled()
 
-  # via pkg-config
-  tcl_dep = dependency(tcl_version, required: false)
+  if host_system != 'windows'
+    # via pkg-config
+    tcl_dep = dependency(tcl_version, required: false)
 
-  if not tcl_dep.found()
-    tcl_dep = cc.find_library(tcl_version,
-      required: tclopt,
-      dirs: test_lib_d)
-  endif
+    if not tcl_dep.found()
+      tcl_dep = cc.find_library(tcl_version,
+        required: tclopt,
+        dirs: test_lib_d)
+    endif
 
-  if not cc.has_header('tcl.h', dependencies: tcl_dep, required: tclopt)
-    tcl_dep = not_found_dep
+    if not cc.has_header('tcl.h', dependencies: tcl_dep, required: tclopt)
+      tcl_dep = not_found_dep
+    endif
+  else
+    tcl_dep = dependency(tcl_version, required: false)
+    if not tcl_dep.found()
+      tcl_dep = cc.find_library(tcl_version, required: tclopt, dirs: postgres_lib_d)
+    endif
   endif
 endif