diff --git a/Makefile b/Makefile
index 20f491e..78a7f5d 100644
--- a/Makefile
+++ b/Makefile
@@ -55,9 +55,13 @@ endif
 
 ifeq ($(OS_NAME),SunOS)
 	TAR:= gtar
+else
+ifeq ($(OS_NAME),AIX)
+	TAR:= gtar
 else
 	TAR:= tar
 endif
+endif
 
 $(SNAPPY_ARCHIVE):
 	@mkdir -p $(@D)
diff --git a/Makefile.common b/Makefile.common
index 949b7ef..dfe0eb5 100755
--- a/Makefile.common
+++ b/Makefile.common
@@ -120,7 +120,7 @@ AIX-ppc_CXX       := g++
 AIX-ppc_STRIP     := strip
 AIX-ppc_LIBNAME   := libsnappyjava.a
 ifeq ($(IBM_JDK_7),)
-  AIX-ppc_CXXFLAGS     := -DHAVE_CONFIG_H -Ilib/inc_linux -I$(JAVA_HOME)/include -Ilib/inc_mac -O2 -fPIC -fvisibility=hidden
+  AIX-ppc_CXXFLAGS     := -DHAVE_CONFIG_H -Ilib/inc_linux -I$(JAVA_HOME)/include -Ilib/inc_mac -O2 -fPIC -fvisibility=hidden -maix32
 else
   AIX-ppc_CXXFLAGS     := -DHAVE_CONFIG_H -I$(JAVA_HOME)/include/aix -Ilib/inc_ibm -I$(JAVA_HOME)/include -Ilib/inc_mac -O2 -fPIC -maix32
 endif
@@ -131,7 +131,7 @@ AIX-ppc64_CXX       := g++
 AIX-ppc64_STRIP     := strip -X64
 AIX-ppc64_LIBNAME   := libsnappyjava.a
 ifeq ($(IBM_JDK_7),)
-  AIX-ppc64_CXXFLAGS     := -DHAVE_CONFIG_H -Ilib/inc_linux -I$(JAVA_HOME)/include -Ilib/inc_mac -O2 -fPIC -fvisibility=hidden -m64
+  AIX-ppc64_CXXFLAGS     := -DHAVE_CONFIG_H -Ilib/inc_linux -I$(JAVA_HOME)/include -Ilib/inc_mac -O2 -fPIC -fvisibility=hidden -maix64
 else
   AIX-ppc64_CXXFLAGS     := -DHAVE_CONFIG_H -I$(JAVA_HOME)/include/aix -Ilib/inc_ibm -I$(JAVA_HOME)/include -Ilib/inc_mac -O2 -fPIC -maix64
 endif
diff --git a/src/main/resources/org/xerial/snappy/native/AIX/ppc/libsnappyjava.a b/src/main/resources/org/xerial/snappy/native/AIX/ppc/libsnappyjava.a
index a069b78..f54ab54 100755
Binary files a/src/main/resources/org/xerial/snappy/native/AIX/ppc/libsnappyjava.a and b/src/main/resources/org/xerial/snappy/native/AIX/ppc/libsnappyjava.a differ
diff --git a/src/main/resources/org/xerial/snappy/native/AIX/ppc64/libsnappyjava.a b/src/main/resources/org/xerial/snappy/native/AIX/ppc64/libsnappyjava.a
index e861d60..f6dbf0e 100755
Binary files a/src/main/resources/org/xerial/snappy/native/AIX/ppc64/libsnappyjava.a and b/src/main/resources/org/xerial/snappy/native/AIX/ppc64/libsnappyjava.a differ