diff --git a/configure b/configure
index fc18e06..4aec9aa 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 78068 .
+# From configure.in Revision: 78074 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for python 3.1.
 #
@@ -4655,15 +4655,15 @@
 
 	         elif test "$UNIVERSAL_ARCHS" = "all" ; then
 		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch ppc64 -arch x86_64"
-		   ARCH_RUN_32BIT="arch -i386 -ppc"
+		   ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc"
 
 	         elif test "$UNIVERSAL_ARCHS" = "intel" ; then
 		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch x86_64"
-		   ARCH_RUN_32BIT="arch -i386"
+		   ARCH_RUN_32BIT="/usr/bin/arch -i386"
 
 	         elif test "$UNIVERSAL_ARCHS" = "3-way" ; then
 		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch x86_64"
-		   ARCH_RUN_32BIT="arch -i386 -ppc"
+		   ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc"
 
 		 else
 	           { { echo "$as_me:$LINENO: error: proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way" >&5
diff --git a/configure.in b/configure.in
index 8b03217..85c065f 100644
--- a/configure.in
+++ b/configure.in
@@ -912,15 +912,15 @@
 
 	         elif test "$UNIVERSAL_ARCHS" = "all" ; then
 		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch ppc64 -arch x86_64"
-		   ARCH_RUN_32BIT="arch -i386 -ppc"
+		   ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc"
 
 	         elif test "$UNIVERSAL_ARCHS" = "intel" ; then
 		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch x86_64"
-		   ARCH_RUN_32BIT="arch -i386"
+		   ARCH_RUN_32BIT="/usr/bin/arch -i386"
 
 	         elif test "$UNIVERSAL_ARCHS" = "3-way" ; then
 		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch x86_64"
-		   ARCH_RUN_32BIT="arch -i386 -ppc"
+		   ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc"
 
 		 else
 	           AC_MSG_ERROR([proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way])