diff --git a/src/mont/fp_montgomery_reduce.c b/src/mont/fp_montgomery_reduce.c
index 77a679d..6453554 100644
--- a/src/mont/fp_montgomery_reduce.c
+++ b/src/mont/fp_montgomery_reduce.c
@@ -296,9 +296,9 @@ asm(                                        \
 asm(                                \
     " LDR    r0,%1            \n\t" \
     " ADDS   r0,r0,%0         \n\t" \
-#if defined(__thumb2__)
+    #if defined(__thumb2__)         \
     " ITE    CS               \n\t" \
-#endif
+    #endif                          \
     " MOVCS  %0,#1            \n\t" \
     " MOVCC  %0,#0            \n\t" \
     " UMLAL  r0,%0,%3,%4      \n\t" \
@@ -310,9 +310,9 @@ asm(                               \
     " LDR   r0,%1            \n\t" \
     " ADDS  r0,r0,%0         \n\t" \
     " STR   r0,%1            \n\t" \
-#if defined(__thumb2__)
+    #if defined(__thumb2__)        \
     " ITE   CS               \n\t" \
-#endif
+    #endif                         \
     " MOVCS %0,#1            \n\t" \
     " MOVCC %0,#0            \n\t" \
 :"=r"(cy),"=g"(_c[0]):"0"(cy),"1"(_c[0]):"r0","%cc");