diff --git a/src/lzf_d.c b/src/lzf_d.c
index 93f43c27..d44bfcc8 100644
--- a/src/lzf_d.c
+++ b/src/lzf_d.c
@@ -52,6 +52,10 @@
 #endif
 #endif
 
+#if defined(__GNUC__) && __GNUC__ >= 5
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wimplicit-fallthrough"
+#endif
 unsigned int
 lzf_decompress (const void *const in_data,  unsigned int in_len,
                 void             *out_data, unsigned int out_len)
@@ -86,8 +90,6 @@ lzf_decompress (const void *const in_data,  unsigned int in_len,
 #ifdef lzf_movsb
           lzf_movsb (op, ip, ctrl);
 #else
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wimplicit-fallthrough"
           switch (ctrl)
             {
               case 32: *op++ = *ip++; case 31: *op++ = *ip++; case 30: *op++ = *ip++; case 29: *op++ = *ip++;
@@ -99,7 +101,6 @@ lzf_decompress (const void *const in_data,  unsigned int in_len,
               case  8: *op++ = *ip++; case  7: *op++ = *ip++; case  6: *op++ = *ip++; case  5: *op++ = *ip++;
               case  4: *op++ = *ip++; case  3: *op++ = *ip++; case  2: *op++ = *ip++; case  1: *op++ = *ip++;
             }
-#pragma GCC diagnostic pop
 #endif
         }
       else /* back reference */
@@ -185,4 +186,6 @@ lzf_decompress (const void *const in_data,  unsigned int in_len,
 
   return op - (u8 *)out_data;
 }
-
+#if defined(__GNUC__) && __GNUC__ >= 5
+#pragma GCC diagnostic pop
+#endif