diff --git a/src/pv/pvaClient.h b/src/pv/pvaClient.h
index cd61b8f..4cc4c02 100644
--- a/src/pv/pvaClient.h
+++ b/src/pv/pvaClient.h
@@ -36,7 +36,7 @@
 
 #ifdef pvaClientEpicsExportSharedSymbols
 #   define epicsExportSharedSymbols
-#	undef pvaClientEpicsExportSharedSymbols
+#   undef pvaClientEpicsExportSharedSymbols
 #endif
 
 #include <shareLib.h>
diff --git a/src/pv/pvaClientMultiChannel.h b/src/pv/pvaClientMultiChannel.h
index 09558d8..318a78d 100644
--- a/src/pv/pvaClientMultiChannel.h
+++ b/src/pv/pvaClientMultiChannel.h
@@ -21,7 +21,7 @@
 
 #ifdef pvaClientMultiChannelEpicsExportSharedSymbols
 #   define epicsExportSharedSymbols
-#	undef pvaClientMultiChannelEpicsExportSharedSymbols
+#   undef pvaClientMultiChannelEpicsExportSharedSymbols
 #endif
 
 
diff --git a/src/pvaClientMultiChannel.cpp b/src/pvaClientMultiChannel.cpp
index 932dc8a..928b1a5 100644
--- a/src/pvaClientMultiChannel.cpp
+++ b/src/pvaClientMultiChannel.cpp
@@ -80,7 +80,7 @@ Status PvaClientMultiChannel::connect(double timeout)
     Status status = Status::Ok;
     size_t numBad = 0;
     for(size_t i=0; i< numChannel; ++i) {
-	if(numBad==0) {
+        if(numBad==0) {
             status = pvaClientChannelArray[i]->waitConnect(timeout);
         } else {
             status = pvaClientChannelArray[i]->waitConnect(.001);