diff --git a/configure.ac b/configure.ac
index f49bb6b..415b2aa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -143,7 +143,7 @@ AC_ARG_ENABLE([speexdsp],
       AS_HELP_STRING([--disable-speexdsp], [Disable building of speexdsp plugin]))
 
 if test "x$enable_speexdsp" != "xno"; then
-  PKG_CHECK_MODULES(speexdsp, [speexdsp >= 1.2rc2], [HAVE_SPEEXDSP="yes"], [HAVE_SPEEXDSP=""])
+  PKG_CHECK_MODULES(speexdsp, [speexdsp >= 1.2], [HAVE_SPEEXDSP="yes"], [HAVE_SPEEXDSP=""])
 fi
 AM_CONDITIONAL(HAVE_SPEEXDSP, test "$HAVE_SPEEXDSP" = "yes")