diff --git a/tests/regression/apparmor/Makefile b/tests/regression/apparmor/Makefile
index 5795989dd..882bf8384 100644
--- a/tests/regression/apparmor/Makefile
+++ b/tests/regression/apparmor/Makefile
@@ -67,8 +67,8 @@ system aa-exec by adding USE_SYSTEM=1 to your make command.${nl}\
   LDLIBS += -Wl,-Bstatic -lapparmor -Wl,-Bdynamic -lpthread
 endif # USE_SYSTEM
 
-+SYSCTL_INCLUDE="\#include <sys/sysctl.h>"
-+USE_SYSCTL:=$(shell echo $(SYSCTL_INCLUDE) | cpp -dM >/dev/null 2>/dev/null && echo true)
+SYSCTL_INCLUDE="\#include <sys/sysctl.h>"
+USE_SYSCTL:=$(shell echo $(SYSCTL_INCLUDE) | cpp -dM >/dev/null 2>/dev/null && echo true)
 
 CFLAGS += -g -O0 $(EXTRA_WARNINGS)