diff --git a/src/common/base58.cpp b/src/common/base58.cpp
index 64cb7c0de..941373443 100644
--- a/src/common/base58.cpp
+++ b/src/common/base58.cpp
@@ -111,13 +111,13 @@ namespace tools
         uint64_t res = 0;
         switch (9 - size)
         {
-        case 1:            res |= *data++;
-        case 2: res <<= 8; res |= *data++;
-        case 3: res <<= 8; res |= *data++;
-        case 4: res <<= 8; res |= *data++;
-        case 5: res <<= 8; res |= *data++;
-        case 6: res <<= 8; res |= *data++;
-        case 7: res <<= 8; res |= *data++;
+        case 1:            res |= *data++; /* FALLTHRU */
+        case 2: res <<= 8; res |= *data++; /* FALLTHRU */
+        case 3: res <<= 8; res |= *data++; /* FALLTHRU */
+        case 4: res <<= 8; res |= *data++; /* FALLTHRU */
+        case 5: res <<= 8; res |= *data++; /* FALLTHRU */
+        case 6: res <<= 8; res |= *data++; /* FALLTHRU */
+        case 7: res <<= 8; res |= *data++; /* FALLTHRU */
         case 8: res <<= 8; res |= *data; break;
         default: assert(false);
         }
diff --git a/src/simplewallet/simplewallet.cpp b/src/simplewallet/simplewallet.cpp
index 857e2af6e..ed0913b1c 100644
--- a/src/simplewallet/simplewallet.cpp
+++ b/src/simplewallet/simplewallet.cpp
@@ -2329,7 +2329,7 @@ bool simple_wallet::transfer_main(int transfer_type, const std::vector<std::stri
     }
   }
 
-  size_t fake_outs_count;
+  size_t fake_outs_count = 0;
   if(local_args.size() > 0) {
     size_t ring_size;
     if(!epee::string_tools::get_xtype_from_string(ring_size, local_args[0]))
@@ -2906,7 +2906,7 @@ bool simple_wallet::sweep_main(uint64_t below, const std::vector<std::string> &a
 
   std::vector<std::string> local_args = args_;
 
-  size_t fake_outs_count;
+  size_t fake_outs_count = 0;
   if(local_args.size() > 0) {
     size_t ring_size;
     if(!epee::string_tools::get_xtype_from_string(ring_size, local_args[0]))