diff --git a/build/tools/wxwidgets.iss b/build/tools/wxwidgets.iss
index ac503056b7..95c6bd2533 100644
--- a/build/tools/wxwidgets.iss
+++ b/build/tools/wxwidgets.iss
@@ -1,23 +1,23 @@
 ; Script generated by the Inno Setup Script Wizard.
 ; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
 
-#if GetEnv("INNO") != ""
-    #define WXW_DIR GetEnv("INNO")
-#else
-    #define WXW_DIR "..\.."
-#endif
-
-#if GetEnv("WXW_VER") == "Snapshot"
-    #define INFOFILE WXW_DIR + "\BuildGit.txt"
-    #define WX_VERSION "Snapshot"
-#elif GetEnv("WXW_VER") != ""
-    #define INFOFILE WXW_DIR + "\docs\msw\install.txt"
-    #define WX_VERSION GetEnv("WXW_VER")
+#if GetEnv("INNO") != ""
+    #define WXW_DIR GetEnv("INNO")
 #else
-    #error "WXW_VER environment variable must be defined."
+    #define WXW_DIR "..\.."
 #endif
 
-#define SETUPFILENAME  "wxMSW-" + GetEnv("WXW_VER") + "-Setup"
+#if GetEnv("WXW_VER") == "Snapshot"
+    #define INFOFILE WXW_DIR + "\BuildGit.txt"
+    #define WX_VERSION "Snapshot"
+#elif GetEnv("WXW_VER") != ""
+    #define INFOFILE WXW_DIR + "\docs\msw\install.txt"
+    #define WX_VERSION GetEnv("WXW_VER")
+#else
+    #error "WXW_VER environment variable must be defined."
+#endif
+
+#define SETUPFILENAME  "wxMSW-" + GetEnv("WXW_VER") + "-Setup"
 
 
 
@@ -32,22 +32,22 @@ DefaultDirName={sd}\wxWidgets-{#WX_VERSION}
 DefaultGroupName=wxWidgets {#WX_VERSION}
 UsePreviousAppDir=no
 DisableProgramGroupPage=yes
-LicenseFile={#WXW_DIR}\docs\licence.txt
-InfoBeforeFile={#WXW_DIR}\docs\readme.txt
-InfoAfterFile={#INFOFILE}
-OutputDir={#WXW_DIR}\..
-OutputBaseFilename={#SETUPFILENAME}
-PrivilegesRequired=none
-SetupIconFile={#WXW_DIR}\art\wxwin.ico
+LicenseFile={#WXW_DIR}\docs\licence.txt
+InfoBeforeFile={#WXW_DIR}\docs\readme.txt
+InfoAfterFile={#INFOFILE}
+OutputDir={#WXW_DIR}\..
+OutputBaseFilename={#SETUPFILENAME}
+PrivilegesRequired=none
+SetupIconFile={#WXW_DIR}\art\wxwin.ico
 Compression=lzma
 SolidCompression=yes
-
-[Files]
-; source files
-Source: "{#WXW_DIR}\*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
-
-[INI]
-Filename: "{app}\wx.url"; Section: "InternetShortcut"; Key: "URL"; String: "https://www.wxwidgets.org"
+
+[Files]
+; source files
+Source: "{#WXW_DIR}\*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
+
+[INI]
+Filename: "{app}\wx.url"; Section: "InternetShortcut"; Key: "URL"; String: "https://www.wxwidgets.org"
 
 [Icons]
 Name: "{group}\{cm:ProgramOnTheWeb,wxWidgets}"; Filename: "{app}\wx.url"