diff --git a/ISLE/isleapp.cpp b/ISLE/isleapp.cpp
index 8350cab6..13bf54d4 100644
--- a/ISLE/isleapp.cpp
+++ b/ISLE/isleapp.cpp
@@ -486,6 +486,21 @@ MxResult IsleApp::SetupWindow()
 		return FAILURE;
 	}
 
+#ifndef _WIN32
+	SDL_Surface *icon = SDL_CreateSurfaceFrom(
+		ISLE_ICON.width,
+		ISLE_ICON.height,
+		SDL_PIXELFORMAT_RGBA32,
+		(void*)ISLE_ICON.pixel_data,
+		ISLE_ICON.width * ISLE_ICON.bytes_per_pixel
+	);
+
+	if (icon) {
+		SDL_SetWindowIcon(m_windowHandle, icon);
+		SDL_DestroySurface(icon);
+	}
+#endif
+
 	if (!SetupLegoOmni()) {
 		return FAILURE;
 	}
diff --git a/ISLE/res/resource.h b/ISLE/res/resource.h
index 647c616e..f36db072 100644
--- a/ISLE/res/resource.h
+++ b/ISLE/res/resource.h
@@ -3,3 +3,7 @@
 #define ISLE_BUSY 104
 
 #define APP_ICON 105
+
+#ifndef _WIN32
+#include "isle.h"
+#endif