diff --git a/findlib-fix-reinstallation-of-num-for-ocaml-4.06.patch b/findlib-fix-reinstallation-of-num-for-ocaml-4.06.patch
new file mode 100644
index 0000000..5bbe66e
--- /dev/null
+++ b/findlib-fix-reinstallation-of-num-for-ocaml-4.06.patch
@@ -0,0 +1,47 @@
+diff --git a/configure b/configure
+index 6a4a558..3f99074 100755
+--- a/configure
++++ b/configure
+@@ -514,7 +514,10 @@ fi
+ 
+ # dbm?
+ 
+-if [ -f "${ocaml_core_stdlib}/dbm.cmi" ]; then
++if [ -f "${ocaml_sitelib}/dbm/META" ]; then
++    echo "dbm: package already present"
++    ldbm=""
++elif [ -f "${ocaml_core_stdlib}/dbm.cmi" ]; then
+     echo "dbm: found"
+     ldbm="dbm"
+ else
+@@ -524,8 +527,12 @@ fi
+ 
+ # num?
+ 
+-if [ -f "${ocaml_core_stdlib}/num.cmi" ]; then
+-    echo "num: found"
++if [ -f "${ocaml_sitelib}/num/META" ]; then
++    echo "num: package already present"
++    lnum=""
++    numtop=""
++elif [ -f "${ocaml_core_stdlib}/num.cmi" ]; then
++    echo "num: found but not as package"
+     lnum="num num-top"
+     numtop="num-top"
+ else
+diff --git a/doc/README.xml b/doc/README.xml
+index 248483e..0b2b3b5 100644
+--- a/doc/README.xml
++++ b/doc/README.xml
+@@ -110,6 +110,11 @@ configuration files, and library routines in detail.</p>
+     <ul>
+ 
+     <li>
++      <p><em>git version:</em> Fix reinstallation of "num" for OCaml-4.06.
++      </p>
++    </li>
++      
++    <li>
+       <p><em>1.7.3:</em> Fix regarding num-top: this library is now also
+       optional, as num.</p>
+     </li>
diff --git a/ocaml-findlib.spec b/ocaml-findlib.spec
index 2e0af9a..e082702 100644
--- a/ocaml-findlib.spec
+++ b/ocaml-findlib.spec
@@ -10,6 +10,9 @@ Source0:        http://download.camlcity.org/download/findlib-%{version}.tar.gz
 # Use ocamlopt -g patch to include debug information.
 Patch1:         findlib-1.4-add-debug.patch
 
+# Upstream patch to fix detection of "num" package.
+Patch2:         findlib-fix-reinstallation-of-num-for-ocaml-4.06.patch
+
 BuildRequires:  ocaml >= 4.02.0
 BuildRequires:  ocaml-camlp4-devel
 BuildRequires:  ocaml-labltk-devel
@@ -40,6 +43,7 @@ developing applications that use %{name}.
 %prep
 %setup -q -n findlib-%{version}
 %patch1 -p2
+%patch2 -p1
 
 
 %build