diff --git a/app-transaction.go b/app-transaction.go
new file mode 100644
index 0000000..2ddfaaa
--- /dev/null
+++ b/app-transaction.go
@@ -0,0 +1,24 @@
+//go:build !go_pam_module
+
+package pam
+
+/*
+#include <security/pam_appl.h>
+#include <stdint.h>
+*/
+import "C"
+
+import "runtime/cgo"
+
+// _go_pam_conv_handler is a C wrapper for the conversation callback function.
+//
+//export _go_pam_conv_handler
+func _go_pam_conv_handler(msg *C.struct_pam_message, c C.uintptr_t, outMsg **C.char) C.int {
+	convHandler, ok := cgo.Handle(c).Value().(ConversationHandler)
+	if !ok || convHandler == nil {
+		return C.int(ErrConv)
+	}
+	replyMsg, r := pamConvHandler(Style(msg.msg_style), msg.msg, convHandler)
+	*outMsg = replyMsg
+	return r
+}
diff --git a/cmd/pam-moduler/moduler.go b/cmd/pam-moduler/moduler.go
index b95195d..94298dc 100644
--- a/cmd/pam-moduler/moduler.go
+++ b/cmd/pam-moduler/moduler.go
@@ -119,9 +119,9 @@ func main() {
 		tags = *buildTags
 	}
 
-	var generateTags []string
+	generateTags := []string{"go_pam_module"}
 	if len(*moduleBuildTags) > 0 {
-		generateTags = strings.Split(*moduleBuildTags, ",")
+		generateTags = append(generateTags, strings.Split(*moduleBuildTags, ",")...)
 	}
 
 	var buildFlags []string
diff --git a/example-module/pam_module.go b/example-module/pam_module.go
index b3bfb08..b13924e 100644
--- a/example-module/pam_module.go
+++ b/example-module/pam_module.go
@@ -1,6 +1,6 @@
 // Code generated by "pam-moduler "; DO NOT EDIT.
 
-//go:generate go build "-ldflags=-extldflags -Wl,-soname,pam_go.so" -buildmode=c-shared -o pam_go.so
+//go:generate go build "-ldflags=-extldflags -Wl,-soname,pam_go.so" -buildmode=c-shared -o pam_go.so -tags go_pam_module
 
 // Package main is the package for the PAM module library.
 package main
diff --git a/transaction.go b/transaction.go
index 9dba072..600f0cf 100644
--- a/transaction.go
+++ b/transaction.go
@@ -75,19 +75,6 @@ func (f ConversationFunc) RespondPAM(s Style, msg string) (string, error) {
 	return f(s, msg)
 }
 
-// _go_pam_conv_handler is a C wrapper for the conversation callback function.
-//
-//export _go_pam_conv_handler
-func _go_pam_conv_handler(msg *C.struct_pam_message, c C.uintptr_t, outMsg **C.char) C.int {
-	convHandler, ok := cgo.Handle(c).Value().(ConversationHandler)
-	if !ok || convHandler == nil {
-		return C.int(ErrConv)
-	}
-	replyMsg, r := pamConvHandler(Style(msg.msg_style), msg.msg, convHandler)
-	*outMsg = replyMsg
-	return r
-}
-
 // pamConvHandler is a Go wrapper for the conversation callback function.
 func pamConvHandler(style Style, msg *C.char, handler ConversationHandler) (*C.char, C.int) {
 	var r string