diff --git a/configure.ac b/configure.ac
index c0d3dd98..f0186024 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,3 @@
-
 AC_INIT([cpuminer], [0.7.1])
 
 AC_PREREQ(2.52)
@@ -57,15 +56,20 @@ yamini=`echo $yasmver | cut -d. -f3`
 if test "$yamajor" -ge "1" ; then
   if test "$yamajor" -eq "1" ; then
     if test "$yaminor" -ge "0" ; then
-      if test "$yamini" -ge "1"; then
+      if test "$yaminor" -eq "0"; then
+        if test "$yamini" -ge "1"; then
+          has_yasm=true
+        fi
+      else
         has_yasm=true
       fi
     fi
   fi
 else
-has_yasm=false
+  has_yasm=false
 fi
 
+
 if test "x$has_yasm" != "x" ; then
   AC_MSG_RESULT([yes])
 else