diff --git a/prosopopoee b/prosopopoee
index 36f70e5..71a6cc1 100755
--- a/prosopopoee
+++ b/prosopopoee
@@ -13,7 +13,7 @@ gallery_index_template = templates.get_template("gallery-index.html")
 
 
 class TemplateFunctions():
-    def __init__(self, base_dir, target_dir):
+    def __init__(self, base_dir, target_dir, has_gm):
         self.base_dir = base_dir
         self.target_dir = target_dir
 
@@ -34,7 +34,9 @@ def error(test, error_message):
 
 
 def main():
+    has_gm = True
     if os.system("which gm > /dev/null") != 0:
+        has_gm = False
         sys.stderr.write("WARNING: I can't locate the 'gm' binary, I won't be able to resize images.\n")
 
     error(os.path.exists(os.path.join(os.getcwd(), "settings.yaml")), "I can't find a settings.yaml in the current working directory")
@@ -83,11 +85,11 @@ def main():
         if not os.path.exists(os.path.join("build", gallery)):
             os.makedirs(os.path.join("build", gallery))
 
-        open(os.path.join("build", gallery, "index.html"), "w").write(gallery_index_template.render(settings=settings, gallery=gallery_settings, helpers=TemplateFunctions(os.path.join(os.getcwd(), gallery), os.path.join(os.getcwd(), "build", gallery))).encode("Utf-8"))
+        open(os.path.join("build", gallery, "index.html"), "w").write(gallery_index_template.render(settings=settings, gallery=gallery_settings, helpers=TemplateFunctions(os.path.join(os.getcwd(), gallery), os.path.join(os.getcwd(), "build", gallery), has_gm=has_gm)).encode("Utf-8"))
 
     front_page_galleries_cover = sorted(front_page_galleries_cover, key=lambda x: x["date"])
 
-    open(os.path.join("build", "index.html"), "w").write(index_template.render(settings=settings, galleries=front_page_galleries_cover, helpers=TemplateFunctions(os.getcwd(), os.path.join(os.getcwd(), "build"))).encode("Utf-8"))
+    open(os.path.join("build", "index.html"), "w").write(index_template.render(settings=settings, galleries=front_page_galleries_cover, helpers=TemplateFunctions(os.getcwd(), os.path.join(os.getcwd(), "build"), has_gm=has_gm)).encode("Utf-8"))
 
 
 if __name__ == '__main__':