diff --git a/lib/Target/PowerPC/PPC32AsmPrinter.cpp b/lib/Target/PowerPC/PPC32AsmPrinter.cpp
index 11eaf3d8619..a5fe5c2100c 100644
--- a/lib/Target/PowerPC/PPC32AsmPrinter.cpp
+++ b/lib/Target/PowerPC/PPC32AsmPrinter.cpp
@@ -45,6 +45,7 @@ namespace {
 
     PPC32AsmPrinter(std::ostream &O, TargetMachine &TM)
       : AsmPrinter(O, TM), LabelNumber(0) {
+      CommentChar = ";";
       GlobalPrefix = "_";
       ZeroDirective = "\t.space\t";  // ".space N" emits N zeros.
       Data64bitsDirective = 0;       // we can't emit a 64-bit unit
diff --git a/lib/Target/PowerPC/PPCAsmPrinter.cpp b/lib/Target/PowerPC/PPCAsmPrinter.cpp
index 11eaf3d8619..a5fe5c2100c 100644
--- a/lib/Target/PowerPC/PPCAsmPrinter.cpp
+++ b/lib/Target/PowerPC/PPCAsmPrinter.cpp
@@ -45,6 +45,7 @@ namespace {
 
     PPC32AsmPrinter(std::ostream &O, TargetMachine &TM)
       : AsmPrinter(O, TM), LabelNumber(0) {
+      CommentChar = ";";
       GlobalPrefix = "_";
       ZeroDirective = "\t.space\t";  // ".space N" emits N zeros.
       Data64bitsDirective = 0;       // we can't emit a 64-bit unit