diff --git a/win32/hexchat.props b/win32/hexchat.props
index e5bc6acf..3acfd913 100644
--- a/win32/hexchat.props
+++ b/win32/hexchat.props
@@ -96,6 +96,8 @@ xcopy /q /s /i "$(DepsRoot)\share\locale" "$(HexChatRel)\share\locale"
 		</HexChatCopy>
 		<TextTransformPath Condition="'$(Platform)'=='Win32'">"%PROGRAMFILES%\Common Files\microsoft shared\TextTemplating\12.0\TextTransform.exe"</TextTransformPath>
 		<TextTransformPath Condition="'$(Platform)'=='x64'">"%PROGRAMFILES(x86)%\Common Files\microsoft shared\TextTemplating\12.0\TextTransform.exe"</TextTransformPath>
+		<IsccPath Condition="'$(Platform)'=='Win32'">"%PROGRAMFILES%\Inno Setup 5\iscc.exe"</IsccPath>
+		<IsccPath Condition="'$(Platform)'=='x64'">"%PROGRAMFILES(x86)%\Inno Setup 5\iscc.exe"</IsccPath>
 	</PropertyGroup>
 
 	<ItemDefinitionGroup>
diff --git a/win32/installer/installer.vcxproj b/win32/installer/installer.vcxproj
index 54e361f6..09654ab0 100644
--- a/win32/installer/installer.vcxproj
+++ b/win32/installer/installer.vcxproj
@@ -67,7 +67,7 @@ SET SOLUTIONDIR=$(SolutionDir)..\
 $(TextTransformPath) -out "%SOLUTIONDIR%win32\installer\hexchat.iss" "%SOLUTIONDIR%win32\installer\hexchat.iss.tt"
 del "$(OutDir)hexchat.iss"
 type hexchat.iss >> "$(OutDir)hexchat.iss"
-"$(ProgramFiles)\Inno Setup 5\iscc.exe" /dPROJECTDIR="$(ProjectDir)" /dAPPARCH="$(Platform)" "$(OutDir)hexchat.iss"
+$(IsccPath) /dPROJECTDIR="$(ProjectDir)" /dAPPARCH="$(Platform)" "$(OutDir)hexchat.iss"
       ]]>
       </Command>
     </PreBuildEvent>