diff --git a/src/seq/seq_mac.c b/src/seq/seq_mac.c
index 2c2500ef..4b07090b 100644
--- a/src/seq/seq_mac.c
+++ b/src/seq/seq_mac.c
@@ -78,7 +78,7 @@ void seqMacEval(PROG *sp, const char *inStr, char *outStr, size_t maxChar)
 
 				DEBUG("Value=%s, ", value);
 
-				strncpy(outStr, value, valLth);
+				strncpy(outStr, value, maxChar);
 				maxChar -= valLth;
 				outStr += valLth;
 			}
diff --git a/src/snc/seqMain.c b/src/snc/seqMain.c
index a4d8e326..fbf27ec0 100644
--- a/src/snc/seqMain.c
+++ b/src/snc/seqMain.c
@@ -25,7 +25,8 @@ int main(int argc,char *argv[]) {
         seqRegisterSequencerCommands();
         iocsh(0);
     } else {
-        epicsThreadExitMain();
+        // epicsThreadExitMain();
+        while (1) epicsThreadSleep(1);
     }
     return(0);
 }