diff --git a/CMakeLists.txt b/CMakeLists.txt
index 64b2b7f29f..29e5b37081 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1362,6 +1362,7 @@ endif()
 # Directory where plugins and Lua dissectors can be found.
 set(PLUGIN_VERSION_DIR "plugins/${CPACK_PACKAGE_VERSION}")
 set(PLUGIN_INSTALL_LIBDIR "${CMAKE_INSTALL_LIBDIR}/${CPACK_PACKAGE_NAME}/${PLUGIN_VERSION_DIR}")
+# Used by the WiresharkConfig.cmake.in module
 if (WIN32)
 	set(PLUGIN_INSTALL_DIR "${PLUGIN_VERSION_DIR}")
 else ()
diff --git a/cmakeconfig.h.in b/cmakeconfig.h.in
index a8ab22fb90..628ea2c067 100644
--- a/cmakeconfig.h.in
+++ b/cmakeconfig.h.in
@@ -401,9 +401,6 @@
 /* Support for pcap-ng */
 #cmakedefine PCAP_NG_DEFAULT 1
 
-/* Plugin installation directory */
-#cmakedefine PLUGIN_INSTALL_DIR "${PLUGIN_INSTALL_DIR}"
-
 /* Define if we are using version of of the Portaudio library API */
 #cmakedefine PORTAUDIO_API_1 1
 
diff --git a/wsutil/CMakeLists.txt b/wsutil/CMakeLists.txt
index 9bf2b6c30b..43a574d678 100644
--- a/wsutil/CMakeLists.txt
+++ b/wsutil/CMakeLists.txt
@@ -21,6 +21,10 @@
 
 include(UseABICheck)
 
+if(NOT WIN32)
+	add_definitions(-DPLUGIN_DIR=\"${CMAKE_INSTALL_FULL_LIBDIR}/wireshark/plugins\")
+endif()
+
 set(WSUTIL_PUBLIC_HEADERS
 	adler32.h
 	base32.h
diff --git a/wsutil/Makefile.am b/wsutil/Makefile.am
index 9f50e9b6c9..e6698ea4fb 100644
--- a/wsutil/Makefile.am
+++ b/wsutil/Makefile.am
@@ -24,7 +24,7 @@ AM_CPPFLAGS = $(INCLUDEDIRS) $(WS_CPPFLAGS) -DWS_BUILD_DLL \
 	-DTOP_SRCDIR=\"$(abs_top_srcdir)\" 	\
 	-DDATAFILE_DIR=\"$(pkgdatadir)\" 	\
 	-DEXTCAP_DIR=\"$(extcapdir)\" 		\
-	-DPLUGIN_INSTALL_DIR=\"$(plugindir)\"	\
+	-DPLUGIN_DIR=\"$(pkglibdir)/plugins\"	\
 	-DJSMN_STRICT				\
 	$(GLIB_CFLAGS) $(LIBGCRYPT_CFLAGS)      \
 	$(LIBGNUTLS_CFLAGS)
diff --git a/wsutil/filesystem.c b/wsutil/filesystem.c
index a4e5ff075f..4ab725377d 100644
--- a/wsutil/filesystem.c
+++ b/wsutil/filesystem.c
@@ -955,7 +955,7 @@ get_datafile_dir(void)
  *    otherwise, if we're running from an app bundle in macOS, we
  *    use the Contents/PlugIns/wireshark subdirectory of the app bundle;
  *
- *    otherwise, we use the PLUGIN_INSTALL_DIR value supplied by the
+ *    otherwise, we use the PLUGIN_DIR value supplied by the
  *    configure script.
  */
 static char *plugin_dir = NULL;
@@ -1028,7 +1028,7 @@ init_plugin_dir(void)
         }
 #endif
         else {
-            plugin_dir = g_strdup(PLUGIN_INSTALL_DIR);
+            plugin_dir = g_strdup(PLUGIN_DIR);
         }
     }
 #endif
diff --git a/wsutil/plugins.c b/wsutil/plugins.c
index 047a6cb721..f251966e31 100644
--- a/wsutil/plugins.c
+++ b/wsutil/plugins.c
@@ -340,7 +340,11 @@ scan_plugins(plugin_load_failure_mode mode)
             }
         }
         else
-            plugins_scan_dir(plugin_dir, mode);
+        {
+            plugin_dir_path = g_strdup_printf("%s" G_DIR_SEPARATOR_S "%s", get_plugin_dir(), VERSION);
+            plugins_scan_dir(plugin_dir_path, mode);
+            g_free(plugin_dir_path);
+        }
 
         /*
          * If the program wasn't started with special privileges,
@@ -352,7 +356,9 @@ scan_plugins(plugin_load_failure_mode mode)
          */
         if (!started_with_special_privs())
         {
-            plugins_scan_dir(get_plugins_pers_dir(), mode);
+            plugin_dir_path = g_strdup_printf("%s" G_DIR_SEPARATOR_S "%s", get_plugins_pers_dir(), VERSION);
+            plugins_scan_dir(plugin_dir_path, mode);
+            g_free(plugin_dir_path);
         }
     }
 }