diff --git a/var/spack/repos/builtin/packages/giflib/package.py b/var/spack/repos/builtin/packages/giflib/package.py
index 644b27d98be..f794c16519f 100644
--- a/var/spack/repos/builtin/packages/giflib/package.py
+++ b/var/spack/repos/builtin/packages/giflib/package.py
@@ -75,3 +75,6 @@ def edit(self, spec, prefix):
         if spec.satisfies("@:5.2.0"):
             configure = Executable("./configure")
             configure("--prefix={0}".format(prefix))
+        # remove call to convert in doc makefile
+        with working_dir("doc"):
+            filter_file("^.*convert.*-resize.*$", "", "Makefile")