diff --git a/Targets/Mac-python2.cmake b/Targets/Mac-python2.cmake
index 936ca516..518b3214 100644
--- a/Targets/Mac-python2.cmake
+++ b/Targets/Mac-python2.cmake
@@ -16,4 +16,4 @@ set(F_TOOLCHAINFLAGS_RELEASE "-O3 -cpp -fopenmp")
 # Debug suggestions
 set(CXX_TOOLCHAINFLAGS_DEBUG "-O0")
 set(F_TOOLCHAINFLAGS_DEBUG
-  "-fcheck=ALL -O0 -fexternal-blas -cpp -Wall -DPURE=")
+  "-fcheck=all -O0 -fexternal-blas -cpp -Wall -DPURE=")