diff --git a/ibmswtpm2-fix-ppc32.patch b/ibmswtpm2-fix-ppc32.patch
new file mode 100644
index 0000000..7d76260
--- /dev/null
+++ b/ibmswtpm2-fix-ppc32.patch
@@ -0,0 +1,13 @@
+diff -ur ibmswtpm2-1637.orig/src/LibSupport.h ibmswtpm2-1637/src/LibSupport.h
+--- ibmswtpm2-1637.orig/src/LibSupport.h	2020-05-27 21:35:29.000000000 +0200
++++ ibmswtpm2-1637/src/LibSupport.h	2020-09-01 14:32:06.752690872 +0200
+@@ -75,7 +75,8 @@
+ #       define RADIX_BITS                      64
+ #   elif defined(__i386__) || defined(__i386) || defined(i386)		\
+     || defined(_WIN32) || defined(_M_IX86)				\
+-    || defined(_M_ARM) || defined(__arm__) || defined(__thumb__)
++    || defined(_M_ARM) || defined(__arm__) || defined(__thumb__)	\
++    || defined(__powerpc__)
+ #       define RADIX_BITS                      32
+ #   else
+ #       error Unable to determine RADIX_BITS from compiler environment
diff --git a/ibmswtpm2.changes b/ibmswtpm2.changes
index 8261702..dc24a49 100644
--- a/ibmswtpm2.changes
+++ b/ibmswtpm2.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Sep  1 12:34:41 UTC 2020 - Michal Suchanek <msuchanek@suse.de>
+
+- Fix ppc32 build.
+  + ibmswtpm2-fix-ppc32.patch
+
 -------------------------------------------------------------------
 Mon Aug 17 16:59:04 UTC 2020 - Michal Suchanek <msuchanek@suse.de>
 
diff --git a/ibmswtpm2.spec b/ibmswtpm2.spec
index 787c2df..21d171d 100644
--- a/ibmswtpm2.spec
+++ b/ibmswtpm2.spec
@@ -35,6 +35,7 @@ Source:         https://sourceforge.net/projects/ibmswtpm2/files/ibmtpm%{version
 Patch:          makefile.patch
 Patch1:         ibmswtpm2-TcpServerPosix-Fix-use-of-uninitialized-value.patch
 Patch2:         ibmswtpm2-NVDynamic-Fix-use-of-uninitialized-value.patch
+Patch3:         ibmswtpm2-fix-ppc32.patch
 BuildRequires:  libopenssl-devel >= 1.0
 
 %description