diff --git a/gcc.spec b/gcc.spec
index 47005da..1102495 100644
--- a/gcc.spec
+++ b/gcc.spec
@@ -175,6 +175,7 @@ Patch13: gcc47-no-add-needed.patch
 Patch14: gcc47-ppl-0.10.patch
 Patch15: gcc47-libitm-fno-exceptions.patch
 Patch16: gcc47-pr53438.patch
+Patch17: gcc47-libgo-r187890.patch
 
 Patch1000: fastjar-0.97-segfault.patch
 Patch1001: fastjar-0.97-len1.patch
@@ -677,6 +678,7 @@ package or when debugging this package.
 %endif
 %patch15 -p0 -b .libitm-fno-exceptions~
 %patch16 -p0 -b .pr53438~
+%patch17 -p0 -b .libgo-r187890~
 
 %if 0%{?_enable_debug_packages}
 cat > split-debuginfo.sh <<\EOF
diff --git a/gcc47-libgo-r187890.patch b/gcc47-libgo-r187890.patch
new file mode 100644
index 0000000..a061979
--- /dev/null
+++ b/gcc47-libgo-r187890.patch
@@ -0,0 +1,11 @@
+--- libgo/runtime/print.c	(revision 187889)
++++ libgo/runtime/print.c	(revision 187890)
+@@ -136,7 +136,7 @@ void
+ runtime_printpc(void *p __attribute__ ((unused)))
+ {
+ 	runtime_prints("PC=");
+-	runtime_printhex((uint64)runtime_getcallerpc(p));
++	runtime_printhex((uint64)(uintptr)runtime_getcallerpc(p));
+ }
+ 
+ void