diff --git a/common/nanoBench.c b/common/nanoBench.c
index 97264a7..c355bd5 100644
--- a/common/nanoBench.c
+++ b/common/nanoBench.c
@@ -937,6 +937,7 @@ void measurement_FF_template_AMD() {
         "lahf                                    \n"
         "seto al                                 \n"
         "push rax                                \n"
+        "push rcx                                \n"
         "push rdx                                \n"
         "push r15                                \n"
         "mov r15, "STRINGIFY(MAGIC_BYTES_PFC)"   \n"
@@ -957,6 +958,7 @@ void measurement_FF_template_AMD() {
         "lfence                                  \n"
         "pop r15; lfence                         \n"
         "pop rdx; lfence                         \n"
+        "pop rcx; lfence                         \n"
         "pop rax; lfence                         \n"
         "cmp al, -127; lfence                    \n"
         "sahf; lfence                            \n"