diff --git a/ext/pdo_sqlite/config.m4 b/ext/pdo_sqlite/config.m4
index 554e06f6f47..c5cec4b46cf 100644
--- a/ext/pdo_sqlite/config.m4
+++ b/ext/pdo_sqlite/config.m4
@@ -91,7 +91,7 @@ if test "$PHP_PDO_SQLITE" != "no"; then
         sort -n +2 $ext_srcdir/sqlite/src/opcodes.h | awk -f $ext_srcdir/sqlite/mkopcodec.awk > $ext_srcdir/sqlite/src/opcodes.c
       fi
 
-      if test "$ext_shared" = "no" -o "$ext_srcdir" = "$abs_srcdir"; then
+      if test "$ext_shared" = "no" -o "$ext_srcdir" != "$abs_srcdir"; then
         echo '#include "php_config.h"' > $ext_srcdir/sqlite/src/config.h
       else
         echo "#include \"$abs_builddir/config.h\"" > $ext_srcdir/sqlite/src/config.h