diff --git a/recipes/kraken2/Makefile.patch b/recipes/kraken2/Makefile.patch
new file mode 100644
index 0000000000000..6f1c53f33b5cc
--- /dev/null
+++ b/recipes/kraken2/Makefile.patch
@@ -0,0 +1,7 @@
+--- src/Makefile	2018-10-12 19:22:38.000000000 +0200
++++ src/Makefile	2018-10-12 23:03:31.000000000 +0200
+@@ -1,4 +1,4 @@
+-CXX = g++
++#CXX = g++
+ CXXFLAGS = -fopenmp -Wall -std=c++11 -O3
+ CXXFLAGS += -DLINEAR_PROBING
diff --git a/recipes/kraken2/meta.yaml b/recipes/kraken2/meta.yaml
index bdfac4a1ea427..04d945a25b670 100644
--- a/recipes/kraken2/meta.yaml
+++ b/recipes/kraken2/meta.yaml
@@ -9,10 +9,11 @@ package:
 source:
   url: https://github.com/DerrickWood/kraken2/archive/v2.0.7-beta.tar.gz
   sha256: {{ sha256 }}
+  patches:
+    - Makefile.patch
 
 build:
   number: 0
-  skip: True  # [osx]
   has_prefix_files:
     - libexec/kraken2
     - libexec/kraken2-build
@@ -31,7 +32,6 @@ requirements:
     - blast
     - libcxx >=4.0  # [osx]
     - openmp >=4.0  # [osx]
-
 test:
   commands:
     - kraken2 --version